255132236502 has 48 divisors (see below), whose sum is σ = 649427517648. Its totient is φ = 71365659840.

The previous prime is 255132236501. The next prime is 255132236507. The reversal of 255132236502 is 205632231552.

255132236502 is a `hidden beast` number, since 2 + 551 + 3 + 22 + 36 + 50 + 2 = 666.

It is a super-2 number, since 2×255132236502² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255132236501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49556913 + ... + 49562060.

It is an arithmetic number, because the mean of its divisors is an integer number (13529739951).

Almost surely, 2^255132236502 is an apocalyptic number.

255132236502 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

255132236502 is an abundant number, since it is smaller than the sum of its proper divisors (394295281146).

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

255132236502 is a wasteful number, since it uses less digits than its factorization.

255132236502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99119005 (or 99119002 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 255132236502 in words is "two hundred fifty-five billion, one hundred thirty-two million, two hundred thirty-six thousand, five hundred two".