253112053040 has 160 divisors (see below), whose sum is σ = 736293874176. Its totient is φ = 78612756480.

The previous prime is 253112053027. The next prime is 253112053067. The reversal of 253112053040 is 40350211352.

It is a happy number.

It is a super-2 number, since 2×253112053040² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1670684 + ... + 1815876.

Almost surely, 2^253112053040 is an apocalyptic number.

253112053040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253112053040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368146937088).

253112053040 is an abundant number, since it is smaller than the sum of its proper divisors (483181821136).

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

253112053040 is a wasteful number, since it uses less digits than its factorization.

253112053040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145507 (or 145501 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 253112053040 its reverse (40350211352), we get a palindrome (293462264392).

The spelling of 253112053040 in words is "two hundred fifty-three billion, one hundred twelve million, fifty-three thousand, forty".