252481245544 has 24 divisors (see below), whose sum is σ = 520351329330. Its totient is φ = 114764202080.

The previous prime is 252481245491. The next prime is 252481245547. The reversal of 252481245544 is 445542184252.

It can be written as a sum of positive squares in only one way, i.e., 229404597444 + 23076648100 = 478962^2 + 151910^2 .

It is a junction number, because it is equal to n+sod(n) for n = 252481245494 and 252481245503.

It is not an unprimeable number, because it can be changed into a prime (252481245547) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130412899 + ... + 130414834.

Almost surely, 2^252481245544 is an apocalyptic number.

It is an amenable number.

252481245544 is an abundant number, since it is smaller than the sum of its proper divisors (267870083786).

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

252481245544 is a wasteful number, since it uses less digits than its factorization.

252481245544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260827761 (or 260827746 counting only the distinct ones).

The product of its digits is 2048000, while the sum is 46.

The spelling of 252481245544 in words is "two hundred fifty-two billion, four hundred eighty-one million, two hundred forty-five thousand, five hundred forty-four".