255805025530 has 32 divisors (see below), whose sum is σ = 466250515200. Its totient is φ = 101035896192.

The previous prime is 255805025507. The next prime is 255805025557. The reversal of 255805025530 is 35520508552.

It is a super-2 number, since 2×255805025530² (a number of 24 digits) contains 22 as substring.

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, 467851 + ... + 854689.

It is an arithmetic number, because the mean of its divisors is an integer number (14570328600).

Almost surely, 2^255805025530 is an apocalyptic number.

255805025530 is a deficient number, since it is larger than the sum of its proper divisors (210445489670).

255805025530 is a wasteful number, since it uses less digits than its factorization.

255805025530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387678.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 255805025530 in words is "two hundred fifty-five billion, eight hundred five million, twenty-five thousand, five hundred thirty".