255564388752 has 20 divisors (see below), whose sum is σ = 660208004400. Its totient is φ = 85188129568.

The previous prime is 255564388699. The next prime is 255564388813. The reversal of 255564388752 is 257883465552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2662129002 + ... + 2662129097.

It is an arithmetic number, because the mean of its divisors is an integer number (33010400220).

Almost surely, 2^255564388752 is an apocalyptic number.

It is an amenable number.

255564388752 is an abundant number, since it is smaller than the sum of its proper divisors (404643615648).

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

255564388752 is a wasteful number, since it uses less digits than its factorization.

255564388752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324258110 (or 5324258104 counting only the distinct ones).

The product of its digits is 80640000, while the sum is 60.

The spelling of 255564388752 in words is "two hundred fifty-five billion, five hundred sixty-four million, three hundred eighty-eight thousand, seven hundred fifty-two".