4044001964 has 48 divisors (see below), whose sum is σ = 7255543680. Its totient is φ = 1971889920.

The previous prime is 4044001963. The next prime is 4044002033. The reversal of 4044001964 is 4691004404.

It is a self number, because there is not a number n which added to its sum of digits gives 4044001964.

It is not an unprimeable number, because it can be changed into a prime (4044001961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9651347 + ... + 9651765.

It is an arithmetic number, because the mean of its divisors is an integer number (151157160).

Almost surely, 2^4044001964 is an apocalyptic number.

It is an amenable number.

4044001964 is a deficient number, since it is larger than the sum of its proper divisors (3211541716).

4044001964 is a wasteful number, since it uses less digits than its factorization.

4044001964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4044001964 is about 63592.4678244208. The cubic root of 4044001964 is about 1593.2005681564.

The spelling of 4044001964 in words is "four billion, forty-four million, one thousand, nine hundred sixty-four".