4644041994 has 48 divisors (see below), whose sum is σ = 10112843520. Its totient is φ = 1540230720.

The previous prime is 4644041989. The next prime is 4644042019. The reversal of 4644041994 is 4991404464.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4232854 + ... + 4233950.

It is an arithmetic number, because the mean of its divisors is an integer number (210684240).

Almost surely, 2^4644041994 is an apocalyptic number.

4644041994 is an abundant number, since it is smaller than the sum of its proper divisors (5468801526).

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

4644041994 is a wasteful number, since it uses less digits than its factorization.

4644041994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075 (or 2072 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 4644041994 is about 68147.2082627014. The cubic root of 4644041994 is about 1668.3943588202.

The spelling of 4644041994 in words is "four billion, six hundred forty-four million, forty-one thousand, nine hundred ninety-four".