254678922672 has 40 divisors (see below), whose sum is σ = 658835688960. Its totient is φ = 84774891840.

The previous prime is 254678922671. The next prime is 254678922677. The reversal of 254678922672 is 276229876452.

It is a super-2 number, since 2×254678922672² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254678922671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3655204 + ... + 3724227.

It is an arithmetic number, because the mean of its divisors is an integer number (16470892224).

Almost surely, 2^254678922672 is an apocalyptic number.

It is an amenable number.

254678922672 is an abundant number, since it is smaller than the sum of its proper divisors (404156766288).

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

254678922672 is a wasteful number, since it uses less digits than its factorization.

254678922672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7380161 (or 7380155 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 60.

The spelling of 254678922672 in words is "two hundred fifty-four billion, six hundred seventy-eight million, nine hundred twenty-two thousand, six hundred seventy-two".