255495614931 has 40 divisors (see below), whose sum is σ = 398440822560. Its totient is φ = 162850963968.

The previous prime is 255495614921. The next prime is 255495614939. The reversal of 255495614931 is 139416594552.

It is a happy number.

255495614931 is a `hidden beast` number, since 2 + 5 + 5 + 4 + 9 + 561 + 49 + 31 = 666.

It is not a de Polignac number, because 255495614931 - 2¹³ = 255495606739 is a prime.

It is a super-2 number, since 2×255495614931² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255495614939) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4241955 + ... + 4301763.

It is an arithmetic number, because the mean of its divisors is an integer number (9961020564).

Almost surely, 2^255495614931 is an apocalyptic number.

255495614931 is a deficient number, since it is larger than the sum of its proper divisors (142945207629).

255495614931 is a wasteful number, since it uses less digits than its factorization.

255495614931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62137 (or 62128 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 54.

The spelling of 255495614931 in words is "two hundred fifty-five billion, four hundred ninety-five million, six hundred fourteen thousand, nine hundred thirty-one".