255578002580 has 48 divisors (see below), whose sum is σ = 565902442560. Its totient is φ = 96689376000.

The previous prime is 255578002577. The next prime is 255578002591. The reversal of 255578002580 is 85200875552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331166 + ... + 787925.

It is an arithmetic number, because the mean of its divisors is an integer number (11789634220).

Almost surely, 2^255578002580 is an apocalyptic number.

255578002580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255578002580 is an abundant number, since it is smaller than the sum of its proper divisors (310324439980).

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

255578002580 is a wasteful number, since it uses less digits than its factorization.

255578002580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119720 (or 1119718 counting only the distinct ones).

The product of its (nonzero) digits is 1120000, while the sum is 47.

The spelling of 255578002580 in words is "two hundred fifty-five billion, five hundred seventy-eight million, two thousand, five hundred eighty".