255272724 has 144 divisors (see below), whose sum is σ = 780788736. Its totient is φ = 68774400.

The previous prime is 255272707. The next prime is 255272749. The reversal of 255272724 is 427272552.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 319894 + ... + 320690.

It is an arithmetic number, because the mean of its divisors is an integer number (5422144).

Almost surely, 2^255272724 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255272724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390394368).

255272724 is an abundant number, since it is smaller than the sum of its proper divisors (525516012).

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

255272724 is a wasteful number, since it uses less digits than its factorization.

255272724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 881 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 255272724 is about 15977.2564603564. The cubic root of 255272724 is about 634.3585594969.

The spelling of 255272724 in words is "two hundred fifty-five million, two hundred seventy-two thousand, seven hundred twenty-four".