2556798292 has 6 divisors (see below), whose sum is σ = 4474397018. Its totient is φ = 1278399144.

The previous prime is 2556798287. The next prime is 2556798301. The reversal of 2556798292 is 2928976552.

It can be written as a sum of positive squares in only one way, i.e., 2509408836 + 47389456 = 50094^2 + 6884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 319599783 + ... + 319599790.

Almost surely, 2^2556798292 is an apocalyptic number.

It is an amenable number.

2556798292 is a deficient number, since it is larger than the sum of its proper divisors (1917598726).

2556798292 is a wasteful number, since it uses less digits than its factorization.

2556798292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639199577 (or 639199575 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 55.

The square root of 2556798292 is about 50564.7930085747. The cubic root of 2556798292 is about 1367.4102232103.

The spelling of 2556798292 in words is "two billion, five hundred fifty-six million, seven hundred ninety-eight thousand, two hundred ninety-two".