255223520502 has 16 divisors (see below), whose sum is σ = 510540783600. Its totient is φ = 85058883072.

The previous prime is 255223520491. The next prime is 255223520509. The reversal of 255223520502 is 205025322552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255223520509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3870523 + ... + 3935910.

It is an arithmetic number, because the mean of its divisors is an integer number (31908798975).

Almost surely, 2^255223520502 is an apocalyptic number.

255223520502 is an abundant number, since it is smaller than the sum of its proper divisors (255317263098).

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

255223520502 is a wasteful number, since it uses less digits than its factorization.

255223520502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811887.

The product of its (nonzero) digits is 60000, while the sum is 33.

The spelling of 255223520502 in words is "two hundred fifty-five billion, two hundred twenty-three million, five hundred twenty thousand, five hundred two".