253327089429988 has 72 divisors (see below), whose sum is σ = 518440900891200. Its totient is φ = 107992944626112.

The previous prime is 253327089429961. The next prime is 253327089429989. The reversal of 253327089429988 is 889924980723352.

It is a super-2 number, since 2×253327089429988² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253327089429989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45056923 + ... + 50366461.

Almost surely, 2^{253327089429988} is an apocalyptic number.

253327089429988 is a gapful number since it is divisible by the number (28) 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 253327089429988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259220450445600).

253327089429988 is an abundant number, since it is smaller than the sum of its proper divisors (265113811461212).

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

253327089429988 is a wasteful number, since it uses less digits than its factorization.

253327089429988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310849 (or 5310840 counting only the distinct ones).

The product of its (nonzero) digits is 3762339840, while the sum is 79.

The spelling of 253327089429988 in words is "two hundred fifty-three trillion, three hundred twenty-seven billion, eighty-nine million, four hundred twenty-nine thousand, nine hundred eighty-eight".