275066880 has 312 divisors, whose sum is σ = 993535536. Its totient is φ = 64880640.

The previous prime is 275066879. The next prime is 275066899. The reversal of 275066880 is 88660572.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7434222 + ... + 7434258.

Almost surely, 2^275066880 is an apocalyptic number.

275066880 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 275066880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496767768).

275066880 is an abundant number, since it is smaller than the sum of its proper divisors (718468656).

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

275066880 is a wasteful number, since it uses less digits than its factorization.

275066880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 275066880 is about 16585.1403370608. The cubic root of 275066880 is about 650.3484364593.

The spelling of 275066880 in words is "two hundred seventy-five million, sixty-six thousand, eight hundred eighty".