4018447944 has 96 divisors (see below), whose sum is σ = 12978875520. Its totient is φ = 1098206208.

The previous prime is 4018447931. The next prime is 4018447991. The reversal of 4018447944 is 4497448104.

It is a super-2 number, since 2×4018447944² = 32295847757275654272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4018447944.

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, 161737 + ... + 184920.

It is an arithmetic number, because the mean of its divisors is an integer number (135196620).

Almost surely, 2^4018447944 is an apocalyptic number.

It is an amenable number.

4018447944 is an abundant number, since it is smaller than the sum of its proper divisors (8960427576).

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

4018447944 is a wasteful number, since it uses less digits than its factorization.

4018447944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346699 (or 346692 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 4018447944 is about 63391.2292355969. The cubic root of 4018447944 is about 1589.8376670629.

The spelling of 4018447944 in words is "four billion, eighteen million, four hundred forty-seven thousand, nine hundred forty-four".