253791897600 has 144 divisors (see below), whose sum is σ = 839000831760. Its totient is φ = 67677798400.

The previous prime is 253791897589. The next prime is 253791897607. The reversal of 253791897600 is 6798197352.

It is not an unprimeable number, because it can be changed into a prime (253791897607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 672546 + ... + 979745.

It is an arithmetic number, because the mean of its divisors is an integer number (5826394665).

Almost surely, 2^253791897600 is an apocalyptic number.

253791897600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253791897600 is an abundant number, since it is smaller than the sum of its proper divisors (585208934160).

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

253791897600 is a wasteful number, since it uses less digits than its factorization.

253791897600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652326 (or 1652301 counting only the distinct ones).

The product of its (nonzero) digits is 5715360, while the sum is 57.

The spelling of 253791897600 in words is "two hundred fifty-three billion, seven hundred ninety-one million, eight hundred ninety-seven thousand, six hundred".