40789816 has 16 divisors (see below), whose sum is σ = 76635000. Its totient is φ = 20353824.

The previous prime is 40789753. The next prime is 40789829. The reversal of 40789816 is 61898704.

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, 691 + ... + 9058.

Almost surely, 2^40789816 is an apocalyptic number.

It is an amenable number.

40789816 is a deficient number, since it is larger than the sum of its proper divisors (35845184).

40789816 is a wasteful number, since it uses less digits than its factorization.

40789816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10278 (or 10274 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 40789816 is about 6386.6905357939. The cubic root of 40789816 is about 344.2314784194.

The spelling of 40789816 in words is "forty million, seven hundred eighty-nine thousand, eight hundred sixteen".