255249792 has 160 divisors (see below), whose sum is σ = 868383120. Its totient is φ = 72907776.

The previous prime is 255249779. The next prime is 255249821. The reversal of 255249792 is 297942552.

255249792 is a `hidden beast` number, since 2 + 552 + 4 + 9 + 7 + 92 = 666.

255249792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70818 + ... + 74334.

Almost surely, 2^255249792 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 255249792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434191560).

255249792 is an abundant number, since it is smaller than the sum of its proper divisors (613133328).

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

255249792 is an equidigital number, since it uses as much as digits as its factorization.

255249792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550 (or 3529 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 255249792 is about 15976.5387991267. The cubic root of 255249792 is about 634.3395634132.

It can be divided in two parts, 255 and 249792, that added together give a cube (250047 = 63³).

The spelling of 255249792 in words is "two hundred fifty-five million, two hundred forty-nine thousand, seven hundred ninety-two".