255552040520 has 64 divisors (see below), whose sum is σ = 666941834880. Its totient is φ = 86310107136.

The previous prime is 255552040517. The next prime is 255552040537. The reversal of 255552040520 is 25040255552.

It is a super-3 number, since 3×255552040520³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 6792329 + ... + 6829848.

It is an arithmetic number, because the mean of its divisors is an integer number (10420966170).

Almost surely, 2^255552040520 is an apocalyptic number.

255552040520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255552040520 is an abundant number, since it is smaller than the sum of its proper divisors (411389794360).

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

255552040520 is a wasteful number, since it uses less digits than its factorization.

255552040520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13622262 (or 13622258 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 35.

The spelling of 255552040520 in words is "two hundred fifty-five billion, five hundred fifty-two million, forty thousand, five hundred twenty".