275655574720 has 28 divisors (see below), whose sum is σ = 656404838064. Its totient is φ = 110262229760.

The previous prime is 275655574697. The next prime is 275655574751. The reversal of 275655574720 is 27475556572.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

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 3 ways as a sum of consecutive naturals, for example, 430711516 + ... + 430712155.

Almost surely, 2^275655574720 is an apocalyptic number.

275655574720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275655574720 is an abundant number, since it is smaller than the sum of its proper divisors (380749263344).

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

275655574720 is an equidigital number, since it uses as much as digits as its factorization.

275655574720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861423688 (or 861423678 counting only the distinct ones).

The product of its (nonzero) digits is 20580000, while the sum is 55.

The spelling of 275655574720 in words is "two hundred seventy-five billion, six hundred fifty-five million, five hundred seventy-four thousand, seven hundred twenty".