999999000044 has 24 divisors (see below), whose sum is σ = 1910190755088. Its totient is φ = 454282677440.

The previous prime is 999999000001. The next prime is 999999000053. The reversal of 999999000044 is 440000999999.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6480947 + ... + 6633450.

It is an arithmetic number, because the mean of its divisors is an integer number (79591281462).

Almost surely, 2^999999000044 is an apocalyptic number.

It is an amenable number.

999999000044 is a deficient number, since it is larger than the sum of its proper divisors (910191755044).

999999000044 is a wasteful number, since it uses less digits than its factorization.

999999000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13116145 (or 13116143 counting only the distinct ones).

The product of its (nonzero) digits is 8503056, while the sum is 62.

The spelling of 999999000044 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, forty-four", and thus it is an aban number.