255454320 has 80 divisors (see below), whose sum is σ = 863908992. Its totient is φ = 61927680.

The previous prime is 255454279. The next prime is 255454349. The reversal of 255454320 is 23454552.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 45742 + ... + 51021.

Almost surely, 2^255454320 is an apocalyptic number.

255454320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255454320 is an abundant number, since it is smaller than the sum of its proper divisors (608454672).

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

255454320 is a wasteful number, since it uses less digits than its factorization.

255454320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96790 (or 96784 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 255454320 is about 15982.9384031848. The cubic root of 255454320 is about 634.5089472465.

The spelling of 255454320 in words is "two hundred fifty-five million, four hundred fifty-four thousand, three hundred twenty".