255540544 has 28 divisors (see below), whose sum is σ = 579530464. Its totient is φ = 109517184.

The previous prime is 255540499. The next prime is 255540569. The reversal of 255540544 is 445045552.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284754 + ... + 285649.

Almost surely, 2^255540544 is an apocalyptic number.

It is an amenable number.

255540544 is an abundant number, since it is smaller than the sum of its proper divisors (323989920).

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

255540544 is an equidigital number, since it uses as much as digits as its factorization.

255540544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570422 (or 570412 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

The square root of 255540544 is about 15985.6355519573. The cubic root of 255540544 is about 634.5803282344.

The spelling of 255540544 in words is "two hundred fifty-five million, five hundred forty thousand, five hundred forty-four".