4044023643 has 48 divisors (see below), whose sum is σ = 6112245888. Its totient is φ = 2375049600.

The previous prime is 4044023629. The next prime is 4044023651. The reversal of 4044023643 is 3463204404.

It is not a de Polignac number, because 4044023643 - 2⁵ = 4044023611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4044023643.

It is not an unprimeable number, because it can be changed into a prime (4044023693) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2425096 + ... + 2426762.

It is an arithmetic number, because the mean of its divisors is an integer number (127338456).

Almost surely, 2^4044023643 is an apocalyptic number.

4044023643 is a deficient number, since it is larger than the sum of its proper divisors (2068222245).

4044023643 is a wasteful number, since it uses less digits than its factorization.

4044023643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1896 (or 1885 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

The square root of 4044023643 is about 63592.6382767691. The cubic root of 4044023643 is about 1593.2034150832.

The spelling of 4044023643 in words is "four billion, forty-four million, twenty-three thousand, six hundred forty-three".