255044540 has 24 divisors (see below), whose sum is σ = 567099792. Its totient is φ = 96016640.

The previous prime is 255044519. The next prime is 255044561. The reversal of 255044540 is 45440552.

It is an interprime number because it is at equal distance from previous prime (255044519) and next prime (255044561).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374726 + ... + 375405.

It is an arithmetic number, because the mean of its divisors is an integer number (23629158).

Almost surely, 2^255044540 is an apocalyptic number.

255044540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255044540 is an abundant number, since it is smaller than the sum of its proper divisors (312055252).

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

255044540 is a wasteful number, since it uses less digits than its factorization.

255044540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750157 (or 750155 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 255044540 is about 15970.1139632753. The cubic root of 255044540 is about 634.1694889965.

The spelling of 255044540 in words is "two hundred fifty-five million, forty-four thousand, five hundred forty".