253223578320 has 80 divisors (see below), whose sum is σ = 788277761280. Its totient is φ = 67243735552.

The previous prime is 253223578313. The next prime is 253223578339. The reversal of 253223578320 is 23875322352.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent 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, 2149959 + ... + 2264678.

It is an arithmetic number, because the mean of its divisors is an integer number (9853472016).

Almost surely, 2^253223578320 is an apocalyptic number.

253223578320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253223578320 is an abundant number, since it is smaller than the sum of its proper divisors (535054182960).

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

253223578320 is a wasteful number, since it uses less digits than its factorization.

253223578320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414892 (or 4414886 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 253223578320 in words is "two hundred fifty-three billion, two hundred twenty-three million, five hundred seventy-eight thousand, three hundred twenty".