40157194392 has 96 divisors (see below), whose sum is σ = 128899680000. Its totient is φ = 11473480224.

The previous prime is 40157194373. The next prime is 40157194397. The reversal of 40157194392 is 29349175104.

40157194392 is a `hidden beast` number, since 40 + 1 + 571 + 9 + 4 + 39 + 2 = 666.

It is a super-2 number, since 2×40157194392² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40157194397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1461892 + ... + 1489107.

It is an arithmetic number, because the mean of its divisors is an integer number (1342705000).

Almost surely, 2^40157194392 is an apocalyptic number.

40157194392 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40157194392 is an abundant number, since it is smaller than the sum of its proper divisors (88742485608).

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

40157194392 is a wasteful number, since it uses less digits than its factorization.

40157194392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2951027 (or 2951011 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 40157194392 in words is "forty billion, one hundred fifty-seven million, one hundred ninety-four thousand, three hundred ninety-two".