255528228004 has 27 divisors (see below), whose sum is σ = 520196871243. Its totient is φ = 109509064728.

The previous prime is 255528227989. The next prime is 255528228019. The reversal of 255528228004 is 400822825552.

The square root of 255528228004 is 505498.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (255528227989) and next prime (255528228019).

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7058919 + ... + 7095025.

Almost surely, 2^255528228004 is an apocalyptic number.

255528228004 is the 505498-th square number.

It is an amenable number.

255528228004 is an abundant number, since it is smaller than the sum of its proper divisors (264668643239).

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

255528228004 is an frugal number, since it uses more digits than its factorization.

255528228004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72232 (or 36116 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 43.

The spelling of 255528228004 in words is "two hundred fifty-five billion, five hundred twenty-eight million, two hundred twenty-eight thousand, four".