253256044959 has 40 divisors (see below), whose sum is σ = 386830146560. Its totient is φ = 165081303504.

The previous prime is 253256044957. The next prime is 253256044963. The reversal of 253256044959 is 959440652352.

253256044959 is a `hidden beast` number, since 2 + 5 + 3 + 25 + 604 + 4 + 9 + 5 + 9 = 666.

It is not a de Polignac number, because 253256044959 - 2¹ = 253256044957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253256044957) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 466974 + ... + 851220.

It is an arithmetic number, because the mean of its divisors is an integer number (9670753664).

Almost surely, 2^253256044959 is an apocalyptic number.

253256044959 is a deficient number, since it is larger than the sum of its proper divisors (133574101601).

253256044959 is a wasteful number, since it uses less digits than its factorization.

253256044959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384441 (or 384432 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 253256044959 in words is "two hundred fifty-three billion, two hundred fifty-six million, forty-four thousand, nine hundred fifty-nine".