40981088 has 12 divisors (see below), whose sum is σ = 80681580. Its totient is φ = 20490528.

The previous prime is 40981069. The next prime is 40981093. The reversal of 40981088 is 88018904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640298 + ... + 640361.

It is an arithmetic number, because the mean of its divisors is an integer number (6723465).

Almost surely, 2^40981088 is an apocalyptic number.

It is an amenable number.

40981088 is a deficient number, since it is larger than the sum of its proper divisors (39700492).

40981088 is a wasteful number, since it uses less digits than its factorization.

40981088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280669 (or 1280661 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 40981088 is about 6401.6472880033. The cubic root of 40981088 is about 344.7686974416.

The spelling of 40981088 in words is "forty million, nine hundred eighty-one thousand, eighty-eight".