Search a number
-
+
40072869600 = 253521943107191
BaseRepresentation
bin100101010100100001…
…110111011011100000
310211102202011200210120
4211110201313123200
51124032123311400
630224220400240
72616020525421
oct452441673340
9124382150716
1040072869600
1115aa40aa055
1279243a6080
133a181b727a
141d22139648
1510980ccca0
hex9548776e0

40072869600 has 576 divisors, whose sum is σ = 142550876160. Its totient is φ = 9744537600.

The previous prime is 40072869569. The next prime is 40072869607. The reversal of 40072869600 is 696827004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40072869607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 209805505 + ... + 209805695.

It is an arithmetic number, because the mean of its divisors is an integer number (247484160).

Almost surely, 240072869600 is an apocalyptic number.

40072869600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40072869600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71275438080).

40072869600 is an abundant number, since it is smaller than the sum of its proper divisors (102478006560).

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

40072869600 is a wasteful number, since it uses less digits than its factorization.

40072869600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 40072869600 in words is "forty billion, seventy-two million, eight hundred sixty-nine thousand, six hundred".