64004404 has 12 divisors (see below), whose sum is σ = 113055264. Its totient is φ = 31702904.

The previous prime is 64004399. The next prime is 64004417. The reversal of 64004404 is 40440046.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74344 + ... + 75199.

It is an arithmetic number, because the mean of its divisors is an integer number (9421272).

Almost surely, 2^64004404 is an apocalyptic number.

It is an amenable number.

64004404 is a deficient number, since it is larger than the sum of its proper divisors (49050860).

64004404 is a wasteful number, since it uses less digits than its factorization.

64004404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149654 (or 149652 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 64004404 is about 8000.2752452650. The cubic root of 64004404 is about 400.0091747896.

The spelling of 64004404 in words is "sixty-four million, four thousand, four hundred four".