253222413140 has 96 divisors (see below), whose sum is σ = 566944551936. Its totient is φ = 94853790720.

The previous prime is 253222413137. The next prime is 253222413247. The reversal of 253222413140 is 41314222352.

It is a congruent number.

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, 2345999 + ... + 2451561.

It is an arithmetic number, because the mean of its divisors is an integer number (5905672416).

Almost surely, 2^253222413140 is an apocalyptic number.

253222413140 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 253222413140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283472275968).

253222413140 is an abundant number, since it is smaller than the sum of its proper divisors (313722138796).

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

253222413140 is a wasteful number, since it uses less digits than its factorization.

253222413140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105729 (or 105727 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 253222413140 its reverse (41314222352), we get a palindrome (294536635492).

The spelling of 253222413140 in words is "two hundred fifty-three billion, two hundred twenty-two million, four hundred thirteen thousand, one hundred forty".