253055278028 has 24 divisors (see below), whose sum is σ = 507544316832. Its totient is φ = 108145027584.

The previous prime is 253055278009. The next prime is 253055278033. The reversal of 253055278028 is 820872550352.

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, 12791375 + ... + 12811142.

It is an arithmetic number, because the mean of its divisors is an integer number (21147679868).

Almost surely, 2^253055278028 is an apocalyptic number.

253055278028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

253055278028 is an abundant number, since it is smaller than the sum of its proper divisors (254489038804).

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

253055278028 is a wasteful number, since it uses less digits than its factorization.

253055278028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25602881 (or 25602879 counting only the distinct ones).

The product of its (nonzero) digits is 1344000, while the sum is 47.

The spelling of 253055278028 in words is "two hundred fifty-three billion, fifty-five million, two hundred seventy-eight thousand, twenty-eight".