40157433440 has 24 divisors (see below), whose sum is σ = 94871936880. Its totient is φ = 16062973312.

The previous prime is 40157433431. The next prime is 40157433457. The reversal of 40157433440 is 4433475104.

It is a super-2 number, since 2×40157433440² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40157433440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125491820 + ... + 125492139.

It is an arithmetic number, because the mean of its divisors is an integer number (3952997370).

Almost surely, 2^40157433440 is an apocalyptic number.

40157433440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40157433440 is an abundant number, since it is smaller than the sum of its proper divisors (54714503440).

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

40157433440 is a wasteful number, since it uses less digits than its factorization.

40157433440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250983974 (or 250983966 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 40157433440 in words is "forty billion, one hundred fifty-seven million, four hundred thirty-three thousand, four hundred forty".