254274978264 has 24 divisors (see below), whose sum is σ = 635693621580. Its totient is φ = 84757502640.

The previous prime is 254274978263. The next prime is 254274978317. The reversal of 254274978264 is 462879472452.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-3 number, since 3×254274978264³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 254274978198 and 254274978207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254274978263) 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, 2418879 + ... + 2521809.

Almost surely, 2^254274978264 is an apocalyptic number.

254274978264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

254274978264 is an abundant number, since it is smaller than the sum of its proper divisors (381418643316).

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

254274978264 is an frugal number, since it uses more digits than its factorization.

254274978264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205871 (or 102936 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 60.

The spelling of 254274978264 in words is "two hundred fifty-four billion, two hundred seventy-four million, nine hundred seventy-eight thousand, two hundred sixty-four".