255103992 has 160 divisors (see below), whose sum is σ = 839749680. Its totient is φ = 71331840.

The previous prime is 255103987. The next prime is 255104021. The reversal of 255103992 is 299301552.

It is a happy number.

255103992 is a `hidden beast` number, since 25 + 510 + 39 + 92 = 666.

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 39 ways as a sum of consecutive naturals, for example, 91288 + ... + 94040.

Almost surely, 2^255103992 is an apocalyptic number.

255103992 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 255103992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419874840).

255103992 is an abundant number, since it is smaller than the sum of its proper divisors (584645688).

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

255103992 is a wasteful number, since it uses less digits than its factorization.

255103992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795 (or 2782 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 255103992 is about 15971.9752065923. The cubic root of 255103992 is about 634.2187610639.

The spelling of 255103992 in words is "two hundred fifty-five million, one hundred three thousand, nine hundred ninety-two".