64036404 has 36 divisors (see below), whose sum is σ = 162183840. Its totient is φ = 21304080.

The previous prime is 64036387. The next prime is 64036429. The reversal of 64036404 is 40463046.

It is a happy number.

64036404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×64036404² = 8201322074502432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 21307 + ... + 24125.

Almost surely, 2^64036404 is an apocalyptic number.

It is an amenable number.

64036404 is an abundant number, since it is smaller than the sum of its proper divisors (98147436).

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

64036404 is a wasteful number, since it uses less digits than its factorization.

64036404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460 (or 3455 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 64036404 is about 8002.2749265443. The cubic root of 64036404 is about 400.0758272913.

The spelling of 64036404 in words is "sixty-four million, thirty-six thousand, four hundred four".