255118657430 has 32 divisors (see below), whose sum is σ = 565185950784. Its totient is φ = 80740849536.

The previous prime is 255118657373. The next prime is 255118657477. The reversal of 255118657430 is 34756811552.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 140174177 + ... + 140175996.

It is an arithmetic number, because the mean of its divisors is an integer number (17662060962).

Almost surely, 2^255118657430 is an apocalyptic number.

255118657430 is an abundant number, since it is smaller than the sum of its proper divisors (310067293354).

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

255118657430 is a wasteful number, since it uses less digits than its factorization.

255118657430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280350200.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The spelling of 255118657430 in words is "two hundred fifty-five billion, one hundred eighteen million, six hundred fifty-seven thousand, four hundred thirty".