255561480750 has 256 divisors, whose sum is σ = 690948910080. Its totient is φ = 62705664000.

The previous prime is 255561480719. The next prime is 255561480761. The reversal of 255561480750 is 57084165552.

255561480750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 255561480750.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 118259670 + ... + 118261830.

It is an arithmetic number, because the mean of its divisors is an integer number (2699019180).

Almost surely, 2^255561480750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255561480750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345474455040).

255561480750 is an abundant number, since it is smaller than the sum of its proper divisors (435387429330).

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

255561480750 is a wasteful number, since it uses less digits than its factorization.

255561480750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 2426 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 48.

The spelling of 255561480750 in words is "two hundred fifty-five billion, five hundred sixty-one million, four hundred eighty thousand, seven hundred fifty".