40064344 has 24 divisors (see below), whose sum is σ = 78537060. Its totient is φ = 19159184.

The previous prime is 40064333. The next prime is 40064383. The reversal of 40064344 is 44346004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 502 + ... + 8965.

Almost surely, 2^40064344 is an apocalyptic number.

It is an amenable number.

40064344 is a deficient number, since it is larger than the sum of its proper divisors (38472716).

40064344 is a wasteful number, since it uses less digits than its factorization.

40064344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9519 (or 9492 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 40064344 is about 6329.6401161519. The cubic root of 40064344 is about 342.1784689165.

The spelling of 40064344 in words is "forty million, sixty-four thousand, three hundred forty-four".