275305763280 has 40 divisors (see below), whose sum is σ = 853447866912. Its totient is φ = 73414870144.

The previous prime is 275305763279. The next prime is 275305763311. The reversal of 275305763280 is 82367503572.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573553434 + ... + 573553913.

Almost surely, 2^275305763280 is an apocalyptic number.

275305763280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275305763280 is an abundant number, since it is smaller than the sum of its proper divisors (578142103632).

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

275305763280 is a wasteful number, since it uses less digits than its factorization.

275305763280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147107363 (or 1147107357 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 275305763280 in words is "two hundred seventy-five billion, three hundred five million, seven hundred sixty-three thousand, two hundred eighty".