253191130420 has 96 divisors (see below), whose sum is σ = 559825136640. Its totient is φ = 96054266880.

The previous prime is 253191130399. The next prime is 253191130457. The reversal of 253191130420 is 24031191352.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 33940651 + ... + 33948109.

It is an arithmetic number, because the mean of its divisors is an integer number (5831511840).

Almost surely, 2^253191130420 is an apocalyptic number.

253191130420 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 253191130420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279912568320).

253191130420 is an abundant number, since it is smaller than the sum of its proper divisors (306634006220).

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

253191130420 is a wasteful number, since it uses less digits than its factorization.

253191130420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8585 (or 8583 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 253191130420 in words is "two hundred fifty-three billion, one hundred ninety-one million, one hundred thirty thousand, four hundred twenty".