44898219664 has 15 divisors (see below), whose sum is σ = 86991942793. Its totient is φ = 22448686048.

The previous prime is 44898219623. The next prime is 44898219721. The reversal of 44898219664 is 46691289844.

The square root of 44898219664 is 211892.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 40136115600 + 4762104064 = 200340^2 + 69008^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 821082 + ... + 874054.

Almost surely, 2^44898219664 is an apocalyptic number.

44898219664 is the 211892-nd square number.

It is an amenable number.

44898219664 is a deficient number, since it is larger than the sum of its proper divisors (42093723129).

44898219664 is an frugal number, since it uses more digits than its factorization.

44898219664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105954 (or 52975 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 61.

The spelling of 44898219664 in words is "forty-four billion, eight hundred ninety-eight million, two hundred nineteen thousand, six hundred sixty-four".