275420080 has 40 divisors (see below), whose sum is σ = 689612112. Its totient is φ = 101693184.

The previous prime is 275420069. The next prime is 275420113. The reversal of 275420080 is 80024572.

It is a tau number, because it is divible by the number of its divisors (40).

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, 131374 + ... + 133453.

Almost surely, 2^275420080 is an apocalyptic number.

275420080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275420080 is an abundant number, since it is smaller than the sum of its proper divisors (414192032).

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

275420080 is a wasteful number, since it uses less digits than its factorization.

275420080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264853 (or 264847 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 275420080 is about 16595.7850070432. The cubic root of 275420080 is about 650.6266776650.

The spelling of 275420080 in words is "two hundred seventy-five million, four hundred twenty thousand, eighty".