275297340980 has 24 divisors (see below), whose sum is σ = 578134368000. Its totient is φ = 110117040800.

The previous prime is 275297340937. The next prime is 275297341001. The reversal of 275297340980 is 89043792572.

It is a congruent number.

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, 1972505 + ... + 2107455.

It is an arithmetic number, because the mean of its divisors is an integer number (24088932000).

Almost surely, 2^275297340980 is an apocalyptic number.

275297340980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275297340980 is an abundant number, since it is smaller than the sum of its proper divisors (302837027020).

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

275297340980 is a wasteful number, since it uses less digits than its factorization.

275297340980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236959 (or 236957 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 56.

The spelling of 275297340980 in words is "two hundred seventy-five billion, two hundred ninety-seven million, three hundred forty thousand, nine hundred eighty".