40816788 has 24 divisors (see below), whose sum is σ = 100252320. Its totient is φ = 12889440.

The previous prime is 40816759. The next prime is 40816817. The reversal of 40816788 is 88761804.

It is an interprime number because it is at equal distance from previous prime (40816759) and next prime (40816817).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89283 + ... + 89738.

It is an arithmetic number, because the mean of its divisors is an integer number (4177180).

Almost surely, 2^40816788 is an apocalyptic number.

It is an amenable number.

40816788 is an abundant number, since it is smaller than the sum of its proper divisors (59435532).

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

40816788 is a wasteful number, since it uses less digits than its factorization.

40816788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179047 (or 179045 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The square root of 40816788 is about 6388.8017655895. The cubic root of 40816788 is about 344.3073353091.

The spelling of 40816788 in words is "forty million, eight hundred sixteen thousand, seven hundred eighty-eight".