2239646368 has 24 divisors (see below), whose sum is σ = 4668675732. Its totient is φ = 1053950976.

The previous prime is 2239646359. The next prime is 2239646369. The reversal of 2239646368 is 8636469322.

It can be written as a sum of positive squares in 2 ways, for example, as 1751589904 + 488056464 = 41852^2 + 22092^2 .

It is not an unprimeable number, because it can be changed into a prime (2239646369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057955 + ... + 2059042.

Almost surely, 2^2239646368 is an apocalyptic number.

It is an amenable number.

2239646368 is an abundant number, since it is smaller than the sum of its proper divisors (2429029364).

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

2239646368 is a wasteful number, since it uses less digits than its factorization.

2239646368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117024 (or 4117016 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 49.

The square root of 2239646368 is about 47324.9021974689. The cubic root of 2239646368 is about 1308.3576660636.

The spelling of 2239646368 in words is "two billion, two hundred thirty-nine million, six hundred forty-six thousand, three hundred sixty-eight".