255079780 has 48 divisors (see below), whose sum is σ = 554932224. Its totient is φ = 98386560.

The previous prime is 255079777. The next prime is 255079817. The reversal of 255079780 is 87970552.

255079780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230709 + ... + 231811.

It is an arithmetic number, because the mean of its divisors is an integer number (11561088).

Almost surely, 2^255079780 is an apocalyptic number.

255079780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255079780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277466112).

255079780 is an abundant number, since it is smaller than the sum of its proper divisors (299852444).

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

255079780 is a wasteful number, since it uses less digits than its factorization.

255079780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The square root of 255079780 is about 15971.2172360155. The cubic root of 255079780 is about 634.1986957952.

The spelling of 255079780 in words is "two hundred fifty-five million, seventy-nine thousand, seven hundred eighty".