275320650 has 48 divisors (see below), whose sum is σ = 744871968. Its totient is φ = 66744000.

The previous prime is 275320631. The next prime is 275320687. The reversal of 275320650 is 56023572.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81781 + ... + 85080.

It is an arithmetic number, because the mean of its divisors is an integer number (15518166).

Almost surely, 2^275320650 is an apocalyptic number.

275320650 is an abundant number, since it is smaller than the sum of its proper divisors (469551318).

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

275320650 is a wasteful number, since it uses less digits than its factorization.

275320650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166887 (or 166882 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 275320650 is about 16592.7890964720. The cubic root of 275320650 is about 650.5483735256.

The spelling of 275320650 in words is "two hundred seventy-five million, three hundred twenty thousand, six hundred fifty".