254272557642 has 32 divisors (see below), whose sum is σ = 520945953792. Its totient is φ = 82695063024.

The previous prime is 254272557613. The next prime is 254272557719. The reversal of 254272557642 is 246755272452.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 309298 + ... + 777309.

It is an arithmetic number, because the mean of its divisors is an integer number (16279561056).

Almost surely, 2^254272557642 is an apocalyptic number.

254272557642 is an abundant number, since it is smaller than the sum of its proper divisors (266673396150).

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

254272557642 is a wasteful number, since it uses less digits than its factorization.

254272557642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1087562.

The product of its digits is 9408000, while the sum is 51.

The spelling of 254272557642 in words is "two hundred fifty-four billion, two hundred seventy-two million, five hundred fifty-seven thousand, six hundred forty-two".