2644373416 has 16 divisors (see below), whose sum is σ = 5028035040. Its totient is φ = 1303564080.

The previous prime is 2644373401. The next prime is 2644373423. The reversal of 2644373416 is 6143734462.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2327226 + ... + 2328361.

It is an arithmetic number, because the mean of its divisors is an integer number (314252190).

Almost surely, 2^2644373416 is an apocalyptic number.

It is an amenable number.

2644373416 is a deficient number, since it is larger than the sum of its proper divisors (2383661624).

2644373416 is a wasteful number, since it uses less digits than its factorization.

2644373416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4655664 (or 4655660 counting only the distinct ones).

The product of its digits is 290304, while the sum is 40.

The square root of 2644373416 is about 51423.4714503018. The cubic root of 2644373416 is about 1382.8474107047.

The spelling of 2644373416 in words is "two billion, six hundred forty-four million, three hundred seventy-three thousand, four hundred sixteen".