44991212 has 18 divisors (see below), whose sum is σ = 91589652. Its totient is φ = 19281864.

The previous prime is 44991203. The next prime is 44991239. The reversal of 44991212 is 21219944.

44991212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114578 + ... + 114969.

It is an arithmetic number, because the mean of its divisors is an integer number (5088314).

Almost surely, 2^44991212 is an apocalyptic number.

It is an amenable number.

44991212 is an abundant number, since it is smaller than the sum of its proper divisors (46598440).

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

44991212 is a wasteful number, since it uses less digits than its factorization.

44991212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229565 (or 229556 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 44991212 is about 6707.5488816706. The cubic root of 44991212 is about 355.6661748836. Note that the first 3 decimals are identical.

The spelling of 44991212 in words is "forty-four million, nine hundred ninety-one thousand, two hundred twelve".