40649304 has 32 divisors (see below), whose sum is σ = 103543920. Its totient is φ = 13293696.

The previous prime is 40649293. The next prime is 40649311. The reversal of 40649304 is 40394604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14707 + ... + 17250.

Almost surely, 2^40649304 is an apocalyptic number.

It is an amenable number.

40649304 is an abundant number, since it is smaller than the sum of its proper divisors (62894616).

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

40649304 is a wasteful number, since it uses less digits than its factorization.

40649304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32019 (or 32015 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 40649304 is about 6375.6806695442. The cubic root of 40649304 is about 343.8357562793.

The spelling of 40649304 in words is "forty million, six hundred forty-nine thousand, three hundred four".