255528064 has 64 divisors (see below), whose sum is σ = 560102400. Its totient is φ = 115153920.

The previous prime is 255528061. The next prime is 255528103. The reversal of 255528064 is 460825552.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (255528061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178102 + ... + 179530.

It is an arithmetic number, because the mean of its divisors is an integer number (8751600).

Almost surely, 2^255528064 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 255528064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280051200).

255528064 is an abundant number, since it is smaller than the sum of its proper divisors (304574336).

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

255528064 is a wasteful number, since it uses less digits than its factorization.

255528064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581 (or 1569 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The square root of 255528064 is about 15985.2451967432. The cubic root of 255528064 is about 634.5699975953.

The spelling of 255528064 in words is "two hundred fifty-five million, five hundred twenty-eight thousand, sixty-four".