255273720 has 64 divisors (see below), whose sum is σ = 824735520. Its totient is φ = 62836224.

The previous prime is 255273719. The next prime is 255273761. The reversal of 255273720 is 27372552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80259 + ... + 83378.

Almost surely, 2^255273720 is an apocalyptic number.

255273720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255273720 is an abundant number, since it is smaller than the sum of its proper divisors (569461800).

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

255273720 is a wasteful number, since it uses less digits than its factorization.

255273720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163664 (or 163660 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 255273720 is about 15977.2876296323. The cubic root of 255273720 is about 634.3593845234.

The spelling of 255273720 in words is "two hundred fifty-five million, two hundred seventy-three thousand, seven hundred twenty".