253103448504 has 32 divisors (see below), whose sum is σ = 636547605120. Its totient is φ = 83862618336.

The previous prime is 253103448449. The next prime is 253103448511. The reversal of 253103448504 is 405844301352.

It is a super-2 number, since 2×253103448504² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 31570774 + ... + 31578789.

It is an arithmetic number, because the mean of its divisors is an integer number (19892112660).

Almost surely, 2^253103448504 is an apocalyptic number.

253103448504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

253103448504 is an abundant number, since it is smaller than the sum of its proper divisors (383444156616).

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

253103448504 is a wasteful number, since it uses less digits than its factorization.

253103448504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63149739 (or 63149735 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 253103448504 its reverse (405844301352), we get a palindrome (658947749856).

The spelling of 253103448504 in words is "two hundred fifty-three billion, one hundred three million, four hundred forty-eight thousand, five hundred four".