2775140264 has 32 divisors (see below), whose sum is σ = 5623649640. Its totient is φ = 1276262400.

The previous prime is 2775140237. The next prime is 2775140273. The reversal of 2775140264 is 4620415772.

It can be written as a sum of positive squares in 4 ways, for example, as 2606919364 + 168220900 = 51058^2 + 12970^2 .

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, 18257 + ... + 76704.

Almost surely, 2^2775140264 is an apocalyptic number.

It is an amenable number.

2775140264 is an abundant number, since it is smaller than the sum of its proper divisors (2848509376).

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

2775140264 is a wasteful number, since it uses less digits than its factorization.

2775140264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95261 (or 95257 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 2775140264 is about 52679.6000744121. The cubic root of 2775140264 is about 1405.2760548911.

The spelling of 2775140264 in words is "two billion, seven hundred seventy-five million, one hundred forty thousand, two hundred sixty-four".