254356565064 has 32 divisors (see below), whose sum is σ = 726733043520. Its totient is φ = 72673304256.

The previous prime is 254356565059. The next prime is 254356565087. The reversal of 254356565064 is 460565653452.

It is a junction number, because it is equal to n+sod(n) for n = 254356564998 and 254356565016.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 757013419 + ... + 757013754.

It is an arithmetic number, because the mean of its divisors is an integer number (22710407610).

Almost surely, 2^254356565064 is an apocalyptic number.

254356565064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

254356565064 is an abundant number, since it is smaller than the sum of its proper divisors (472376478456).

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

254356565064 is a wasteful number, since it uses less digits than its factorization.

254356565064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1514027189 (or 1514027185 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 51.

The spelling of 254356565064 in words is "two hundred fifty-four billion, three hundred fifty-six million, five hundred sixty-five thousand, sixty-four".