255442963758 has 32 divisors (see below), whose sum is σ = 512406038016. Its totient is φ = 84894420288.

The previous prime is 255442963757. The next prime is 255442963771. The reversal of 255442963758 is 857369244552.

It is a super-2 number, since 2×255442963758² (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 (255442963757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10542085 + ... + 10566287.

It is an arithmetic number, because the mean of its divisors is an integer number (16012688688).

Almost surely, 2^255442963758 is an apocalyptic number.

255442963758 is an abundant number, since it is smaller than the sum of its proper divisors (256963074258).

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

255442963758 is a wasteful number, since it uses less digits than its factorization.

255442963758 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29368.

The product of its digits is 72576000, while the sum is 60.

The spelling of 255442963758 in words is "two hundred fifty-five billion, four hundred forty-two million, nine hundred sixty-three thousand, seven hundred fifty-eight".