44398905412 has 36 divisors (see below), whose sum is σ = 81487766556. Its totient is φ = 21154183680.

The previous prime is 44398905401. The next prime is 44398905433. The reversal of 44398905412 is 21450989344.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18839209536 + 25559695876 = 137256^2 + 159874^2 .

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 11 ways as a sum of consecutive naturals, for example, 230028 + ... + 376444.

It is an arithmetic number, because the mean of its divisors is an integer number (2263549071).

Almost surely, 2^44398905412 is an apocalyptic number.

It is an amenable number.

44398905412 is a deficient number, since it is larger than the sum of its proper divisors (37088861144).

44398905412 is a wasteful number, since it uses less digits than its factorization.

44398905412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146548 (or 146503 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 44398905412 in words is "forty-four billion, three hundred ninety-eight million, nine hundred five thousand, four hundred twelve".