2644338046 has 16 divisors (see below), whose sum is σ = 4535182944. Its totient is φ = 1132779744.

The previous prime is 2644338041. The next prime is 2644338077. The reversal of 2644338046 is 6408334462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2644338041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9085 + ... + 73288.

It is an arithmetic number, because the mean of its divisors is an integer number (283448934).

Almost surely, 2^2644338046 is an apocalyptic number.

2644338046 is a deficient number, since it is larger than the sum of its proper divisors (1890844898).

2644338046 is a wasteful number, since it uses less digits than its factorization.

2644338046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84675.

The product of its (nonzero) digits is 331776, while the sum is 40.

The square root of 2644338046 is about 51423.1275400476. The cubic root of 2644338046 is about 1382.8412452201.

The spelling of 2644338046 in words is "two billion, six hundred forty-four million, three hundred thirty-eight thousand, forty-six".