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40013241020 = 225171117105359
BaseRepresentation
bin100101010000111110…
…011001101010111100
310211021120222020202122
4211100332121222330
51123421342203040
630214250342112
72614364636234
oct452076315274
9124246866678
1040013241020
1115a73482235
12790842a938
133a08a3a39c
141d18256cc4
151092c501b5
hex950f99abc

40013241020 has 48 divisors (see below), whose sum is σ = 89051114880. Its totient is φ = 15050179584.

The previous prime is 40013241017. The next prime is 40013241049. The reversal of 40013241020 is 2014231004.

It is a super-2 number, since 2×400132410202 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 40013241020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327101 + ... + 432459.

It is an arithmetic number, because the mean of its divisors is an integer number (1855231560).

Almost surely, 240013241020 is an apocalyptic number.

It is an amenable number.

40013241020 is an abundant number, since it is smaller than the sum of its proper divisors (49037873860).

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

40013241020 is a wasteful number, since it uses less digits than its factorization.

40013241020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106502 (or 106500 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40013241020 its reverse (2014231004), we get a palindrome (42027472024).

The spelling of 40013241020 in words is "forty billion, thirteen million, two hundred forty-one thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1117 2234 4468 5585 11170 18989 22340 37978 75956 94945 105359 189890 210718 379780 421436 526795 1053590 1791103 2107180 3582206 7164412 8955515 17911030 35822060 117686003 235372006 470744012 588430015 1176860030 2000662051 2353720060 4001324102 8002648204 10003310255 20006620510 40013241020