255393072 has 60 divisors (see below), whose sum is σ = 779727624. Its totient is φ = 77391360.

The previous prime is 255393049. The next prime is 255393107. The reversal of 255393072 is 270393552.

255393072 is a `hidden beast` number, since 2 + 553 + 9 + 30 + 72 = 666.

It is a super-3 number, since 3×255393072³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79033 + ... + 82200.

Almost surely, 2^255393072 is an apocalyptic number.

255393072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

255393072 is an abundant number, since it is smaller than the sum of its proper divisors (524334552).

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

255393072 is a wasteful number, since it uses less digits than its factorization.

255393072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161258 (or 161249 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The square root of 255393072 is about 15981.0222451507. The cubic root of 255393072 is about 634.4582330127.

The spelling of 255393072 in words is "two hundred fifty-five million, three hundred ninety-three thousand, seventy-two".