255540465552 has 80 divisors (see below), whose sum is σ = 688939655040. Its totient is φ = 81465854976.

The previous prime is 255540465541. The next prime is 255540465563. The reversal of 255540465552 is 255564045552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (255540465541) and next prime (255540465563).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14596068 + ... + 14613564.

It is an arithmetic number, because the mean of its divisors is an integer number (8611745688).

Almost surely, 2^255540465552 is an apocalyptic number.

It is an amenable number.

255540465552 is an abundant number, since it is smaller than the sum of its proper divisors (433399189488).

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

255540465552 is a wasteful number, since it uses less digits than its factorization.

255540465552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30760 (or 30754 counting only the distinct ones).

The product of its (nonzero) digits is 6000000, while the sum is 48.

The spelling of 255540465552 in words is "two hundred fifty-five billion, five hundred forty million, four hundred sixty-five thousand, five hundred fifty-two".