275955120 has 160 divisors (see below), whose sum is σ = 1086359040. Its totient is φ = 63072000.

The previous prime is 275955083. The next prime is 275955161. The reversal of 275955120 is 21559572.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5995 + ... + 24245.

It is an arithmetic number, because the mean of its divisors is an integer number (6789744).

Almost surely, 2^275955120 is an apocalyptic number.

275955120 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 275955120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543179520).

275955120 is an abundant number, since it is smaller than the sum of its proper divisors (810403920).

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

275955120 is a wasteful number, since it uses less digits than its factorization.

275955120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18280 (or 18268 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 275955120 is about 16611.8969416500. The cubic root of 275955120 is about 651.0477146534.

The spelling of 275955120 in words is "two hundred seventy-five million, nine hundred fifty-five thousand, one hundred twenty".