253005055280 has 40 divisors (see below), whose sum is σ = 593947809312. Its totient is φ = 100219474944.

The previous prime is 253005055273. The next prime is 253005055309. The reversal of 253005055280 is 82550500352.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 253005055280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15344009 + ... + 15360488.

Almost surely, 2^253005055280 is an apocalyptic number.

253005055280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253005055280 is an abundant number, since it is smaller than the sum of its proper divisors (340942754032).

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

253005055280 is a wasteful number, since it uses less digits than its factorization.

253005055280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30704613 (or 30704607 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 253005055280 in words is "two hundred fifty-three billion, five million, fifty-five thousand, two hundred eighty".