275769480 has 128 divisors (see below), whose sum is σ = 950227200. Its totient is φ = 62717952.

The previous prime is 275769479. The next prime is 275769509. The reversal of 275769480 is 84967572.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195016 + ... + 196424.

It is an arithmetic number, because the mean of its divisors is an integer number (7423650).

Almost surely, 2^275769480 is an apocalyptic number.

275769480 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 275769480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475113600).

275769480 is an abundant number, since it is smaller than the sum of its proper divisors (674457720).

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

275769480 is a wasteful number, since it uses less digits than its factorization.

275769480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The square root of 275769480 is about 16606.3084398671. The cubic root of 275769480 is about 650.9016913803.

The spelling of 275769480 in words is "two hundred seventy-five million, seven hundred sixty-nine thousand, four hundred eighty".