40791904 has 24 divisors (see below), whose sum is σ = 81217080. Its totient is φ = 20165376.

The previous prime is 40791869. The next prime is 40791923. The reversal of 40791904 is 40919704.

It is a self number, because there is not a number n which added to its sum of digits gives 40791904.

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, 4314 + ... + 10009.

It is an arithmetic number, because the mean of its divisors is an integer number (3384045).

Almost surely, 2^40791904 is an apocalyptic number.

It is an amenable number.

40791904 is a deficient number, since it is larger than the sum of its proper divisors (40425176).

40791904 is a wasteful number, since it uses less digits than its factorization.

40791904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14422 (or 14414 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 40791904 is about 6386.8539986444. The cubic root of 40791904 is about 344.2373519693.

The spelling of 40791904 in words is "forty million, seven hundred ninety-one thousand, nine hundred four".