255223257464 has 64 divisors (see below), whose sum is σ = 604255334400. Its totient is φ = 98471222784.

The previous prime is 255223257461. The next prime is 255223257467. The reversal of 255223257464 is 464752322552.

It is an interprime number because it is at equal distance from previous prime (255223257461) and next prime (255223257467).

It is a super-2 number, since 2×255223257464² (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 (255223257461) 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, 5806184 + ... + 5849975.

It is an arithmetic number, because the mean of its divisors is an integer number (9441489600).

Almost surely, 2^255223257464 is an apocalyptic number.

It is an amenable number.

255223257464 is an abundant number, since it is smaller than the sum of its proper divisors (349032076936).

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

255223257464 is a wasteful number, since it uses less digits than its factorization.

255223257464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11656212 (or 11656208 counting only the distinct ones).

The product of its digits is 4032000, while the sum is 47.

The spelling of 255223257464 in words is "two hundred fifty-five billion, two hundred twenty-three million, two hundred fifty-seven thousand, four hundred sixty-four".