2257764808 has 32 divisors (see below), whose sum is σ = 4644977400. Its totient is φ = 1022381568.

The previous prime is 2257764799. The next prime is 2257764823. The reversal of 2257764808 is 8084677522.

It can be written as a sum of positive squares in 4 ways, for example, as 2241264964 + 16499844 = 47342^2 + 4062^2 .

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, 199293 + ... + 210316.

Almost surely, 2^2257764808 is an apocalyptic number.

It is an amenable number.

2257764808 is an abundant number, since it is smaller than the sum of its proper divisors (2387212592).

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

2257764808 is a wasteful number, since it uses less digits than its factorization.

2257764808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409681 (or 409677 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 49.

The square root of 2257764808 is about 47515.9426719075. The cubic root of 2257764808 is about 1311.8763407768.

The spelling of 2257764808 in words is "two billion, two hundred fifty-seven million, seven hundred sixty-four thousand, eight hundred eight".