254813928320 has 128 divisors (see below), whose sum is σ = 706579752960. Its totient is φ = 86060722176.

The previous prime is 254813928289. The next prime is 254813928323. The reversal of 254813928320 is 23829318452.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254813928323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124304 + ... + 724623.

It is an arithmetic number, because the mean of its divisors is an integer number (5520154320).

Almost surely, 2^254813928320 is an apocalyptic number.

254813928320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

254813928320 is an abundant number, since it is smaller than the sum of its proper divisors (451765824640).

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

254813928320 is an equidigital number, since it uses as much as digits as its factorization.

254813928320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849020 (or 849008 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 254813928320 in words is "two hundred fifty-four billion, eight hundred thirteen million, nine hundred twenty-eight thousand, three hundred twenty".