40023561616 has 20 divisors (see below), whose sum is σ = 77558464512. Its totient is φ = 20008474016.

The previous prime is 40023561593. The next prime is 40023561637. The reversal of 40023561616 is 61616532004.

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, 105316 + ... + 301891.

Almost surely, 2^40023561616 is an apocalyptic number.

It is an amenable number.

40023561616 is a deficient number, since it is larger than the sum of its proper divisors (37534902896).

40023561616 is a wasteful number, since it uses less digits than its factorization.

40023561616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413358 (or 413352 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 40023561616 in words is "forty billion, twenty-three million, five hundred sixty-one thousand, six hundred sixteen".