64526256 has 60 divisors (see below), whose sum is σ = 182284960. Its totient is φ = 21306240.

The previous prime is 64526213. The next prime is 64526257. The reversal of 64526256 is 65262546.

64526256 is a `hidden beast` number, since 645 + 2 + 6 + 2 + 5 + 6 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64526256.

It is not an unprimeable number, because it can be changed into a prime (64526257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13641 + ... + 17751.

Almost surely, 2^64526256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64526256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91142480).

64526256 is an abundant number, since it is smaller than the sum of its proper divisors (117758704).

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

64526256 is a wasteful number, since it uses less digits than its factorization.

64526256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234 (or 4225 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 64526256 is about 8032.8236629469. The cubic root of 64526256 is about 401.0933752698.

The spelling of 64526256 in words is "sixty-four million, five hundred twenty-six thousand, two hundred fifty-six".