40990888 has 24 divisors (see below), whose sum is σ = 77937930. Its totient is φ = 20211360.

The previous prime is 40990883. The next prime is 40990903. The reversal of 40990888 is 88809904.

It can be written as a sum of positive squares in only one way, i.e., 37970244 + 3020644 = 6162^2 + 1738^2 .

It is not an unprimeable number, because it can be changed into a prime (40990883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49518 + ... + 50338.

Almost surely, 2^40990888 is an apocalyptic number.

It is an amenable number.

40990888 is a deficient number, since it is larger than the sum of its proper divisors (36947042).

40990888 is an equidigital number, since it uses as much as digits as its factorization.

40990888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 902 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 40990888 is about 6402.4126702361. The cubic root of 40990888 is about 344.7961773038.

The spelling of 40990888 in words is "forty million, nine hundred ninety thousand, eight hundred eighty-eight".