255039480 has 96 divisors (see below), whose sum is σ = 855653760. Its totient is φ = 65813760.

The previous prime is 255039467. The next prime is 255039487. The reversal of 255039480 is 84930552.

It is a super-3 number, since 3×255039480³ (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255039487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267 + ... + 22586.

It is an arithmetic number, because the mean of its divisors is an integer number (8913060).

Almost surely, 2^255039480 is an apocalyptic number.

255039480 is a gapful number since it is divisible by the number (20) 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 255039480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (427826880).

255039480 is an abundant number, since it is smaller than the sum of its proper divisors (600614280).

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

255039480 is a wasteful number, since it uses less digits than its factorization.

255039480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22901 (or 22894 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 255039480 is about 15969.9555415787. The cubic root of 255039480 is about 634.1652950639.

The spelling of 255039480 in words is "two hundred fifty-five million, thirty-nine thousand, four hundred eighty".