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7440094242 = 2337227710151
BaseRepresentation
bin1101110110111011…
…01101010000100010
3201012111211221121000
412323131231100202
5110214131003432
63230135012430
7352241520600
oct67335552042
921174757530
107440094242
113178814a19
12153780a116
13917544c39
1450819a870
152d829c57c
hex1bb76d422

7440094242 has 96 divisors (see below), whose sum is σ = 19304231040. Its totient is φ = 2117858400.

The previous prime is 7440094241. The next prime is 7440094253. The reversal of 7440094242 is 2424900447.

7440094242 is a `hidden beast` number, since 7 + 4 + 400 + 9 + 4 + 242 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 7440094197 and 7440094206.

It is not an unprimeable number, because it can be changed into a prime (7440094241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 727867 + ... + 738017.

It is an arithmetic number, because the mean of its divisors is an integer number (201085740).

Almost surely, 27440094242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7440094242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9652115520).

7440094242 is an abundant number, since it is smaller than the sum of its proper divisors (11864136798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7440094242 is a wasteful number, since it uses less digits than its factorization.

7440094242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10453 (or 10440 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 7440094242 is about 86255.9809056740. The cubic root of 7440094242 is about 1952.2082580994.

Adding to 7440094242 its reverse (2424900447), we get a palindrome (9864994689).

The spelling of 7440094242 in words is "seven billion, four hundred forty million, ninety-four thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 49 54 63 98 126 147 189 277 294 378 441 554 831 882 1323 1662 1939 2493 2646 3878 4986 5817 7479 10151 11634 13573 14958 17451 20302 27146 30453 34902 40719 52353 60906 71057 81438 91359 104706 122157 142114 182718 213171 244314 274077 366471 426342 497399 548154 639513 732942 994798 1279026 1492197 1918539 2811827 2984394 3837078 4476591 5623654 8435481 8953182 13429773 16870962 19682789 25306443 26859546 39365578 50612886 59048367 75919329 118096734 137779523 151838658 177145101 275559046 354290202 413338569 531435303 826677138 1062870606 1240015707 2480031414 3720047121 7440094242