2644022404 has 12 divisors (see below), whose sum is σ = 4638085200. Its totient is φ = 1318855208.

The previous prime is 2644022377. The next prime is 2644022443. The reversal of 2644022404 is 4042204462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787114 + ... + 790465.

It is an arithmetic number, because the mean of its divisors is an integer number (386507100).

Almost surely, 2^2644022404 is an apocalyptic number.

It is an amenable number.

2644022404 is a deficient number, since it is larger than the sum of its proper divisors (1994062796).

2644022404 is a wasteful number, since it uses less digits than its factorization.

2644022404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578002 (or 1578000 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 2644022404 is about 51420.0583819194. The cubic root of 2644022404 is about 1382.7862219797.

Adding to 2644022404 its reverse (4042204462), we get a palindrome (6686226866).

The spelling of 2644022404 in words is "two billion, six hundred forty-four million, twenty-two thousand, four hundred four".