40648684 has 12 divisors (see below), whose sum is σ = 71364664. Its totient is φ = 20258784.

The previous prime is 40648679. The next prime is 40648757. The reversal of 40648684 is 48684604.

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, 14982 + ... + 17485.

Almost surely, 2^40648684 is an apocalyptic number.

It is an amenable number.

40648684 is a deficient number, since it is larger than the sum of its proper divisors (30715980).

40648684 is a wasteful number, since it uses less digits than its factorization.

40648684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32784 (or 32782 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 40648684 is about 6375.6320470993. The cubic root of 40648684 is about 343.8340081620.

The spelling of 40648684 in words is "forty million, six hundred forty-eight thousand, six hundred eighty-four".