255530552780 has 24 divisors (see below), whose sum is σ = 538654529952. Its totient is φ = 101823579392.

The previous prime is 255530552729. The next prime is 255530552791. The reversal of 255530552780 is 87255035552.

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, 24284717 + ... + 24295236.

It is an arithmetic number, because the mean of its divisors is an integer number (22443938748).

Almost surely, 2^255530552780 is an apocalyptic number.

255530552780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255530552780 is an abundant number, since it is smaller than the sum of its proper divisors (283123977172).

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

255530552780 is a wasteful number, since it uses less digits than its factorization.

255530552780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48580225 (or 48580223 counting only the distinct ones).

The product of its (nonzero) digits is 2100000, while the sum is 47.

The spelling of 255530552780 in words is "two hundred fifty-five billion, five hundred thirty million, five hundred fifty-two thousand, seven hundred eighty".