252445445200 has 60 divisors (see below), whose sum is σ = 653154055708. Its totient is φ = 93210624000.

The previous prime is 252445445149. The next prime is 252445445233. The reversal of 252445445200 is 2544544252.

It can be written as a sum of positive squares in 6 ways, for example, as 4194375696 + 248251069504 = 64764^2 + 498248^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252445445200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24268401 + ... + 24278800.

Almost surely, 2^252445445200 is an apocalyptic number.

252445445200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252445445200 is an abundant number, since it is smaller than the sum of its proper divisors (400708610508).

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

252445445200 is a wasteful number, since it uses less digits than its factorization.

252445445200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48547232 (or 48547221 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 37.

Adding to 252445445200 its reverse (2544544252), we get a palindrome (254989989452).

The spelling of 252445445200 in words is "two hundred fifty-two billion, four hundred forty-five million, four hundred forty-five thousand, two hundred".