4448889998 has 32 divisors (see below), whose sum is σ = 7812440064. Its totient is φ = 1860469632.

The previous prime is 4448889989. The next prime is 4448890001. The reversal of 4448889998 is 8999888444.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211715 + ... + 231777.

It is an arithmetic number, because the mean of its divisors is an integer number (244138752).

Almost surely, 2^4448889998 is an apocalyptic number.

4448889998 is a deficient number, since it is larger than the sum of its proper divisors (3363550066).

4448889998 is a wasteful number, since it uses less digits than its factorization.

4448889998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20456.

The product of its digits is 191102976, while the sum is 71.

The square root of 4448889998 is about 66699.9999850075. Note that the first 4 decimals coincide. The cubic root of 4448889998 is about 1644.6893841077.

The spelling of 4448889998 in words is "four billion, four hundred forty-eight million, eight hundred eighty-nine thousand, nine hundred ninety-eight".