4448891146 has 24 divisors (see below), whose sum is σ = 7683199776. Its totient is φ = 1892638560.

The previous prime is 4448891119. The next prime is 4448891159. The reversal of 4448891146 is 6411988444.

It is a self number, because there is not a number n which added to its sum of digits gives 4448891146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254301 + ... + 271231.

It is an arithmetic number, because the mean of its divisors is an integer number (320133324).

Almost surely, 2^4448891146 is an apocalyptic number.

4448891146 is a deficient number, since it is larger than the sum of its proper divisors (3234308630).

4448891146 is a wasteful number, since it uses less digits than its factorization.

4448891146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17214 (or 17077 counting only the distinct ones).

The product of its digits is 884736, while the sum is 49.

The square root of 4448891146 is about 66700.0085907041. The cubic root of 4448891146 is about 1644.6895255739.

The spelling of 4448891146 in words is "four billion, four hundred forty-eight million, eight hundred ninety-one thousand, one hundred forty-six".