253451053240 has 128 divisors (see below), whose sum is σ = 711136350720. Its totient is φ = 78980313600.

The previous prime is 253451053213. The next prime is 253451053249. The reversal of 253451053240 is 42350154352.

It is a junction number, because it is equal to n+sod(n) for n = 253451053196 and 253451053205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253451053249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27601450 + ... + 27610630.

It is an arithmetic number, because the mean of its divisors is an integer number (5555752740).

Almost surely, 2^253451053240 is an apocalyptic number.

253451053240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253451053240 is an abundant number, since it is smaller than the sum of its proper divisors (457685297480).

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

253451053240 is a wasteful number, since it uses less digits than its factorization.

253451053240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18173 (or 18169 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 253451053240 in words is "two hundred fifty-three billion, four hundred fifty-one million, fifty-three thousand, two hundred forty".