255877380 has 240 divisors, whose sum is σ = 891342144. Its totient is φ = 60929280.

The previous prime is 255877361. The next prime is 255877393. The reversal of 255877380 is 83778552.

255877380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1478974 + ... + 1479146.

Almost surely, 2^255877380 is an apocalyptic number.

255877380 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 255877380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445671072).

255877380 is an abundant number, since it is smaller than the sum of its proper divisors (635464764).

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

255877380 is a wasteful number, since it uses less digits than its factorization.

255877380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The square root of 255877380 is about 15996.1676660380. The cubic root of 255877380 is about 634.8590258899.

The spelling of 255877380 in words is "two hundred fifty-five million, eight hundred seventy-seven thousand, three hundred eighty".