275190861264 has 40 divisors (see below), whose sum is σ = 775537883232. Its totient is φ = 83391169920.

The previous prime is 275190861221. The next prime is 275190861271. The reversal of 275190861264 is 462168091572.

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, 260596879 + ... + 260597934.

Almost surely, 2^275190861264 is an apocalyptic number.

275190861264 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

275190861264 is an abundant number, since it is smaller than the sum of its proper divisors (500347021968).

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

275190861264 is a wasteful number, since it uses less digits than its factorization.

275190861264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521194835 (or 521194829 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 275190861264 in words is "two hundred seventy-five billion, one hundred ninety million, eight hundred sixty-one thousand, two hundred sixty-four".