444898338049 has 9 divisors (see below), whose sum is σ = 489028552131. Its totient is φ = 404446364520.

The previous prime is 444898338037. The next prime is 444898338193. The reversal of 444898338049 is 940833898444.

The square root of 444898338049 is 667007.

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., 441354279025 + 3544059024 = 664345^2 + 59532^2 .

It is not a de Polignac number, because 444898338049 - 2⁷ = 444898337921 is a prime.

It is a super-2 number, since 2×444898338049² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444898339049) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7306759 + ... + 7367395.

Almost surely, 2^444898338049 is an apocalyptic number.

444898338049 is the 667007-th square number.

444898338049 is the 333504-th centered octagonal number.

It is an amenable number.

444898338049 is a deficient number, since it is larger than the sum of its proper divisors (44130214082).

444898338049 is an frugal number, since it uses more digits than its factorization.

444898338049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121296 (or 60648 counting only the distinct ones).

The product of its (nonzero) digits is 95551488, while the sum is 64.

Multiplying 444898338049 by its sum of digits (64), we get a square (28473493635136 = 5336056²).

The spelling of 444898338049 in words is "four hundred forty-four billion, eight hundred ninety-eight million, three hundred thirty-eight thousand, forty-nine".