40636912 has 20 divisors (see below), whose sum is σ = 79113736. Its totient is φ = 20220480.

The previous prime is 40636903. The next prime is 40636927. The reversal of 40636912 is 21963604.

It is a congruent number.

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, 2643 + ... + 9394.

Almost surely, 2^40636912 is an apocalyptic number.

It is an amenable number.

40636912 is a deficient number, since it is larger than the sum of its proper divisors (38476824).

40636912 is a wasteful number, since it uses less digits than its factorization.

40636912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12256 (or 12250 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 40636912 is about 6374.7087776619. The cubic root of 40636912 is about 343.8008131165.

The spelling of 40636912 in words is "forty million, six hundred thirty-six thousand, nine hundred twelve".