275118240 has 48 divisors (see below), whose sum is σ = 866623968. Its totient is φ = 73364736.

The previous prime is 275118229. The next prime is 275118299. The reversal of 275118240 is 42811572.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 275118198 and 275118207.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286102 + ... + 287061.

It is an arithmetic number, because the mean of its divisors is an integer number (18054666).

Almost surely, 2^275118240 is an apocalyptic number.

275118240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275118240 is an abundant number, since it is smaller than the sum of its proper divisors (591505728).

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

275118240 is a wasteful number, since it uses less digits than its factorization.

275118240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573181 (or 573173 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 275118240 is about 16586.6886387850. The cubic root of 275118240 is about 650.3889112425.

The spelling of 275118240 in words is "two hundred seventy-five million, one hundred eighteen thousand, two hundred forty".