64512288 has 60 divisors (see below), whose sum is σ = 189736470. Its totient is φ = 21503232.

The previous prime is 64512281. The next prime is 64512313. The reversal of 64512288 is 88221546.

64512288 is a `hidden beast` number, since 64 + 512 + 2 + 88 = 666.

It can be written as a sum of positive squares in only one way, i.e., 64448784 + 63504 = 8028^2 + 252^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (64512281) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9853 + ... + 15036.

Almost surely, 2^64512288 is an apocalyptic number.

It is an amenable number.

64512288 is an abundant number, since it is smaller than the sum of its proper divisors (125224182).

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

64512288 is a wasteful number, since it uses less digits than its factorization.

64512288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24911 (or 24894 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 64512288 is about 8031.9541831363. The cubic root of 64512288 is about 401.0644316175.

The spelling of 64512288 in words is "sixty-four million, five hundred twelve thousand, two hundred eighty-eight".