253452215610 has 72 divisors (see below), whose sum is σ = 724328759700. Its totient is φ = 61442958720.

The previous prime is 253452215591. The next prime is 253452215633. The reversal of 253452215610 is 16512254352.

253452215610 is a `hidden beast` number, since 2 + 5 + 3 + 4 + 5 + 22 + 15 + 610 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 242515866681 + 10936348929 = 492459^2 + 104577^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11626035 + ... + 11647814.

Almost surely, 2^253452215610 is an apocalyptic number.

253452215610 is an abundant number, since it is smaller than the sum of its proper divisors (470876544090).

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

253452215610 is a wasteful number, since it uses less digits than its factorization.

253452215610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23273884 (or 23273870 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 253452215610 its reverse (16512254352), we get a palindrome (269964469962).

The spelling of 253452215610 in words is "two hundred fifty-three billion, four hundred fifty-two million, two hundred fifteen thousand, six hundred ten".