40957988 has 12 divisors (see below), whose sum is σ = 72117360. Its totient is φ = 20353032.

The previous prime is 40957967. The next prime is 40957991. The reversal of 40957988 is 88975904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30758 + ... + 32061.

It is an arithmetic number, because the mean of its divisors is an integer number (6009780).

Almost surely, 2^40957988 is an apocalyptic number.

It is an amenable number.

40957988 is a deficient number, since it is larger than the sum of its proper divisors (31159372).

40957988 is a wasteful number, since it uses less digits than its factorization.

40957988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62986 (or 62984 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 50.

The square root of 40957988 is about 6399.8428105696. The cubic root of 40957988 is about 344.7039061426.

The spelling of 40957988 in words is "forty million, nine hundred fifty-seven thousand, nine hundred eighty-eight".