275275252780 has 48 divisors (see below), whose sum is σ = 630688633344. Its totient is φ = 100090877120.

The previous prime is 275275252757. The next prime is 275275252783. The reversal of 275275252780 is 87252572572.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (275275252783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2619939 + ... + 2722981.

It is an arithmetic number, because the mean of its divisors is an integer number (13139346528).

Almost surely, 2^275275252780 is an apocalyptic number.

275275252780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

275275252780 is an abundant number, since it is smaller than the sum of its proper divisors (355413380564).

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

275275252780 is a wasteful number, since it uses less digits than its factorization.

275275252780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115206 (or 115204 counting only the distinct ones).

The product of its (nonzero) digits is 5488000, while the sum is 52.

The spelling of 275275252780 in words is "two hundred seventy-five billion, two hundred seventy-five million, two hundred fifty-two thousand, seven hundred eighty".