40494684 has 12 divisors (see below), whose sum is σ = 94487624. Its totient is φ = 13498224.

The previous prime is 40494679. The next prime is 40494721. The reversal of 40494684 is 48649404.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

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, 1687267 + ... + 1687290.

Almost surely, 2^40494684 is an apocalyptic number.

It is an amenable number.

40494684 is an abundant number, since it is smaller than the sum of its proper divisors (53992940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40494684 is a wasteful number, since it uses less digits than its factorization.

40494684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374564 (or 3374562 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 40494684 is about 6363.5433525670. The cubic root of 40494684 is about 343.3992466742.

The spelling of 40494684 in words is "forty million, four hundred ninety-four thousand, six hundred eighty-four".