40456684 has 6 divisors (see below), whose sum is σ = 70799204. Its totient is φ = 20228340.

The previous prime is 40456657. The next prime is 40456687. The reversal of 40456684 is 48665404.

40456684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40456687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5057082 + ... + 5057089.

Almost surely, 2^40456684 is an apocalyptic number.

It is an amenable number.

40456684 is a deficient number, since it is larger than the sum of its proper divisors (30342520).

40456684 is a wasteful number, since it uses less digits than its factorization.

40456684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10114175 (or 10114173 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 40456684 is about 6360.5568938576. The cubic root of 40456684 is about 343.2917983709.

The spelling of 40456684 in words is "forty million, four hundred fifty-six thousand, six hundred eighty-four".