255111472 has 80 divisors (see below), whose sum is σ = 628031232. Its totient is φ = 97493760.

The previous prime is 255111443. The next prime is 255111481. The reversal of 255111472 is 274111552.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 255111472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63343 + ... + 67249.

Almost surely, 2^255111472 is an apocalyptic number.

255111472 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255111472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314015616).

255111472 is an abundant number, since it is smaller than the sum of its proper divisors (372919760).

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

255111472 is a wasteful number, since it uses less digits than its factorization.

255111472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986 (or 3980 counting only the distinct ones).

The product of its digits is 2800, while the sum is 28.

The square root of 255111472 is about 15972.2093650190. The cubic root of 255111472 is about 634.2249597256.

The spelling of 255111472 in words is "two hundred fifty-five million, one hundred eleven thousand, four hundred seventy-two".