40764664 has 16 divisors (see below), whose sum is σ = 76552200. Its totient is φ = 20350752.

The previous prime is 40764643. The next prime is 40764673. The reversal of 40764664 is 46646704.

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, 2079 + ... + 9265.

Almost surely, 2^40764664 is an apocalyptic number.

It is an amenable number.

40764664 is a deficient number, since it is larger than the sum of its proper divisors (35787536).

40764664 is a wasteful number, since it uses less digits than its factorization.

40764664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7902 (or 7898 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 40764664 is about 6384.7211372150. The cubic root of 40764664 is about 344.1607100168.

The spelling of 40764664 in words is "forty million, seven hundred sixty-four thousand, six hundred sixty-four".