255207280 has 20 divisors (see below), whose sum is σ = 593357112. Its totient is φ = 102082880.

The previous prime is 255207263. The next prime is 255207317. The reversal of 255207280 is 82702552.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1594966 + ... + 1595125.

Almost surely, 2^255207280 is an apocalyptic number.

255207280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255207280 is an abundant number, since it is smaller than the sum of its proper divisors (338149832).

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

255207280 is a wasteful number, since it uses less digits than its factorization.

255207280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3190104 (or 3190098 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 255207280 is about 15975.2082928518. The cubic root of 255207280 is about 634.3043449179.

The spelling of 255207280 in words is "two hundred fifty-five million, two hundred seven thousand, two hundred eighty".