4018894444 has 12 divisors (see below), whose sum is σ = 7033513144. Its totient is φ = 2009319264.

The previous prime is 4018894417. The next prime is 4018894447. The reversal of 4018894444 is 4444988104.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4018894394 and 4018894403.

It is not an unprimeable number, because it can be changed into a prime (4018894447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92539 + ... + 128845.

Almost surely, 2^4018894444 is an apocalyptic number.

It is an amenable number.

4018894444 is a deficient number, since it is larger than the sum of its proper divisors (3014618700).

4018894444 is a wasteful number, since it uses less digits than its factorization.

4018894444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63984 (or 63982 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 46.

The square root of 4018894444 is about 63394.7509183529. The cubic root of 4018894444 is about 1589.8965485215.

The spelling of 4018894444 in words is "four billion, eighteen million, eight hundred ninety-four thousand, four hundred forty-four".