2644050404 has 6 divisors (see below), whose sum is σ = 4627088214. Its totient is φ = 1322025200.

The previous prime is 2644050397. The next prime is 2644050449. The reversal of 2644050404 is 4040504462.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2637027904 + 7022500 = 51352^2 + 2650^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330506297 + ... + 330506304.

It is an arithmetic number, because the mean of its divisors is an integer number (771181369).

Almost surely, 2^2644050404 is an apocalyptic number.

It is an amenable number.

2644050404 is a deficient number, since it is larger than the sum of its proper divisors (1983037810).

2644050404 is a wasteful number, since it uses less digits than its factorization.

2644050404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661012605 (or 661012603 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 2644050404 is about 51420.3306484896. The cubic root of 2644050404 is about 1382.7911031634.

Adding to 2644050404 its reverse (4040504462), we get a palindrome (6684554866).

The spelling of 2644050404 in words is "two billion, six hundred forty-four million, fifty thousand, four hundred four".