64436264 has 8 divisors (see below), whose sum is σ = 120818010. Its totient is φ = 32218128.

The previous prime is 64436237. The next prime is 64436299. The reversal of 64436264 is 46263446.

64436264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 32604100 + 31832164 = 5710^2 + 5642^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 4027259 + ... + 4027274.

Almost surely, 2^64436264 is an apocalyptic number.

It is an amenable number.

64436264 is a deficient number, since it is larger than the sum of its proper divisors (56381746).

64436264 is a wasteful number, since it uses less digits than its factorization.

64436264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8054539 (or 8054535 counting only the distinct ones).

The product of its digits is 82944, while the sum is 35.

The square root of 64436264 is about 8027.2201913240. The cubic root of 64436264 is about 400.9068259465.

The spelling of 64436264 in words is "sixty-four million, four hundred thirty-six thousand, two hundred sixty-four".