64266456 has 16 divisors (see below), whose sum is σ = 160666200. Its totient is φ = 21422144.

The previous prime is 64266413. The next prime is 64266457. The reversal of 64266456 is 65466246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64266457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338861 + ... + 1338908.

Almost surely, 2^64266456 is an apocalyptic number.

It is an amenable number.

64266456 is an abundant number, since it is smaller than the sum of its proper divisors (96399744).

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

64266456 is a wasteful number, since it uses less digits than its factorization.

64266456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677778 (or 2677774 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 64266456 is about 8016.6362022983. The cubic root of 64266456 is about 400.5543480573.

The spelling of 64266456 in words is "sixty-four million, two hundred sixty-six thousand, four hundred fifty-six".