40959904 has 12 divisors (see below), whose sum is σ = 80639874. Its totient is φ = 20479936.

The previous prime is 40959871. The next prime is 40959929. The reversal of 40959904 is 40995904.

It can be written as a sum of positive squares in only one way, i.e., 33408400 + 7551504 = 5780^2 + 2748^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 639967 + ... + 640030.

Almost surely, 2^40959904 is an apocalyptic number.

It is an amenable number.

40959904 is a deficient number, since it is larger than the sum of its proper divisors (39679970).

40959904 is a wasteful number, since it uses less digits than its factorization.

40959904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280007 (or 1279999 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 40959904 is about 6399.9924999956. The cubic root of 40959904 is about 344.7092811006.

The spelling of 40959904 in words is "forty million, nine hundred fifty-nine thousand, nine hundred four".