275080940 has 48 divisors (see below), whose sum is σ = 596048544. Its totient is φ = 106560000.

The previous prime is 275080937. The next prime is 275080991. The reversal of 275080940 is 49080572.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 275080940.

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, 185000 + ... + 186480.

It is an arithmetic number, because the mean of its divisors is an integer number (12417678).

Almost surely, 2^275080940 is an apocalyptic number.

275080940 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 275080940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298024272).

275080940 is an abundant number, since it is smaller than the sum of its proper divisors (320967604).

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

275080940 is a wasteful number, since it uses less digits than its factorization.

275080940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1778 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 275080940 is about 16585.5642050549. The cubic root of 275080940 is about 650.3595170896.

The spelling of 275080940 in words is "two hundred seventy-five million, eighty thousand, nine hundred forty".