255540415530 has 64 divisors (see below), whose sum is σ = 616447065600. Its totient is φ = 67794823680.

The previous prime is 255540415517. The next prime is 255540415553. The reversal of 255540415530 is 35514045552.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5780310 + ... + 5824350.

It is an arithmetic number, because the mean of its divisors is an integer number (9631985400).

Almost surely, 2^255540415530 is an apocalyptic number.

255540415530 is an abundant number, since it is smaller than the sum of its proper divisors (360906650070).

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

255540415530 is a wasteful number, since it uses less digits than its factorization.

255540415530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45039.

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 255540415530 in words is "two hundred fifty-five billion, five hundred forty million, four hundred fifteen thousand, five hundred thirty".