255477026464 has 36 divisors (see below), whose sum is σ = 552851765802. Its totient is φ = 116125919360.

The previous prime is 255477026461. The next prime is 255477026513. The reversal of 255477026464 is 464620774552.

It can be written as a sum of positive squares in only one way, i.e., 139645710864 + 115831315600 = 373692^2 + 340340^2 .

It is a super-2 number, since 2×255477026464² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255477026461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32986447 + ... + 32994190.

Almost surely, 2^255477026464 is an apocalyptic number.

It is an amenable number.

255477026464 is an abundant number, since it is smaller than the sum of its proper divisors (297374739338).

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

255477026464 is a wasteful number, since it uses less digits than its factorization.

255477026464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65980669 (or 65980650 counting only the distinct ones).

The product of its (nonzero) digits is 11289600, while the sum is 52.

The spelling of 255477026464 in words is "two hundred fifty-five billion, four hundred seventy-seven million, twenty-six thousand, four hundred sixty-four".