253113310240 has 96 divisors (see below), whose sum is σ = 697353148800. Its totient is φ = 86781687552.

The previous prime is 253113310231. The next prime is 253113310277. The reversal of 253113310240 is 42013311352.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251182 + ... + 2360941.

It is an arithmetic number, because the mean of its divisors is an integer number (7264095300).

Almost surely, 2^253113310240 is an apocalyptic number.

253113310240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253113310240 is an abundant number, since it is smaller than the sum of its proper divisors (444239838560).

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

253113310240 is an equidigital number, since it uses as much as digits as its factorization.

253113310240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4612159 (or 4612137 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 253113310240 its reverse (42013311352), we get a palindrome (295126621592).

The spelling of 253113310240 in words is "two hundred fifty-three billion, one hundred thirteen million, three hundred ten thousand, two hundred forty".