275502780280 has 96 divisors (see below), whose sum is σ = 776554611840. Its totient is φ = 87192080640.

The previous prime is 275502780277. The next prime is 275502780299. The reversal of 275502780280 is 82087205572.

It is a self number, because there is not a number n which added to its sum of digits gives 275502780280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5380776 + ... + 5431735.

It is an arithmetic number, because the mean of its divisors is an integer number (8089110540).

Almost surely, 2^275502780280 is an apocalyptic number.

275502780280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275502780280 is an abundant number, since it is smaller than the sum of its proper divisors (501051831560).

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

275502780280 is a wasteful number, since it uses less digits than its factorization.

275502780280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10812549 (or 10812538 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The spelling of 275502780280 in words is "two hundred seventy-five billion, five hundred two million, seven hundred eighty thousand, two hundred eighty".