4999889444 has 48 divisors (see below), whose sum is σ = 10151373120. Its totient is φ = 2130831360.

The previous prime is 4999889441. The next prime is 4999889483. The reversal of 4999889444 is 4449889994.

It is not an unprimeable number, because it can be changed into a prime (4999889441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50264 + ... + 111920.

It is an arithmetic number, because the mean of its divisors is an integer number (211486940).

Almost surely, 2^4999889444 is an apocalyptic number.

4999889444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4999889444 is an abundant number, since it is smaller than the sum of its proper divisors (5151483676).

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

4999889444 is a wasteful number, since it uses less digits than its factorization.

4999889444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61788 (or 61786 counting only the distinct ones).

The product of its digits is 107495424, while the sum is 68.

The square root of 4999889444 is about 70709.8963653603. The cubic root of 4999889444 is about 1709.9633433771.

The spelling of 4999889444 in words is "four billion, nine hundred ninety-nine million, eight hundred eighty-nine thousand, four hundred forty-four".