253359252420 has 24 divisors (see below), whose sum is σ = 709405906944. Its totient is φ = 67562467296.

The previous prime is 253359252413. The next prime is 253359252427. The reversal of 253359252420 is 24252953352.

It is an interprime number because it is at equal distance from previous prime (253359252413) and next prime (253359252427).

It is not an unprimeable number, because it can be changed into a prime (253359252427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111327044 + ... + 2111327163.

It is an arithmetic number, because the mean of its divisors is an integer number (29558579456).

Almost surely, 2^253359252420 is an apocalyptic number.

253359252420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253359252420 is an abundant number, since it is smaller than the sum of its proper divisors (456046654524).

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

253359252420 is a wasteful number, since it uses less digits than its factorization.

253359252420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222654219 (or 4222654217 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 253359252420 in words is "two hundred fifty-three billion, three hundred fifty-nine million, two hundred fifty-two thousand, four hundred twenty".