275520990 has 32 divisors (see below), whose sum is σ = 669223296. Its totient is φ = 72586400.

The previous prime is 275520961. The next prime is 275520991. The reversal of 275520990 is 99025572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275520991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52836 + ... + 57815.

It is an arithmetic number, because the mean of its divisors is an integer number (20913228).

Almost surely, 2^275520990 is an apocalyptic number.

275520990 is an abundant number, since it is smaller than the sum of its proper divisors (393702306).

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

275520990 is a wasteful number, since it uses less digits than its factorization.

275520990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110744.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 275520990 is about 16598.8249584120. The cubic root of 275520990 is about 650.7061280829.

The spelling of 275520990 in words is "two hundred seventy-five million, five hundred twenty thousand, nine hundred ninety".