40159043928 has 48 divisors (see below), whose sum is σ = 108781709400. Its totient is φ = 13384177920.

The previous prime is 40159043909. The next prime is 40159043933. The reversal of 40159043928 is 82934095104.

40159043928 is a `hidden beast` number, since 4 + 0 + 1 + 590 + 4 + 39 + 28 = 666.

It is a super-2 number, since 2×40159043928² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437568 + ... + 521328.

Almost surely, 2^40159043928 is an apocalyptic number.

It is an amenable number.

40159043928 is an abundant number, since it is smaller than the sum of its proper divisors (68622665472).

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

40159043928 is a wasteful number, since it uses less digits than its factorization.

40159043928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90432 (or 90425 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 40159043928 in words is "forty billion, one hundred fifty-nine million, forty-three thousand, nine hundred twenty-eight".