253270072644 has 24 divisors (see below), whose sum is σ = 600651430848. Its totient is φ = 83039367840.

The previous prime is 253270072631. The next prime is 253270072651. The reversal of 253270072644 is 446270072352.

It is a junction number, because it is equal to n+sod(n) for n = 253270072596 and 253270072605.

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, 172997952 + ... + 172999415.

It is an arithmetic number, because the mean of its divisors is an integer number (25027142952).

Almost surely, 2^253270072644 is an apocalyptic number.

It is an amenable number.

253270072644 is an abundant number, since it is smaller than the sum of its proper divisors (347381358204).

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

253270072644 is a wasteful number, since it uses less digits than its factorization.

253270072644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345997435 (or 345997433 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 253270072644 in words is "two hundred fifty-three billion, two hundred seventy million, seventy-two thousand, six hundred forty-four".