99000044 has 48 divisors (see below), whose sum is σ = 215532576. Its totient is φ = 39091200.

The previous prime is 99000037. The next prime is 99000047. The reversal of 99000044 is 44000099.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 98999977 and 99000022.

It is not an unprimeable number, because it can be changed into a prime (99000047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4634 + ... + 14814.

It is an arithmetic number, because the mean of its divisors is an integer number (4490262).

Almost surely, 2^99000044 is an apocalyptic number.

It is an amenable number.

99000044 is an abundant number, since it is smaller than the sum of its proper divisors (116532532).

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

99000044 is a wasteful number, since it uses less digits than its factorization.

99000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226 (or 10224 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 99000044 is about 9949.8765821491. The cubic root of 99000044 is about 462.6065694526.

Subtracting from 99000044 its reverse (44000099), we obtain a palindrome (54999945).

It can be divided in two parts, 990000 and 44, that multiplied together give a square (43560000 = 6600²).

The spelling of 99000044 in words is "ninety-nine million, forty-four", and thus it is an aban number.