444889049 has 24 divisors (see below), whose sum is σ = 502366536. Its totient is φ = 393536000.

The previous prime is 444889037. The next prime is 444889079. The reversal of 444889049 is 940988444.

It can be written as a sum of positive squares in 4 ways, for example, as 349690000 + 95199049 = 18700^2 + 9757^2 .

It is not a de Polignac number, because 444889049 - 2²⁰ = 443840473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444888988 and 444889006.

It is not an unprimeable number, because it can be changed into a prime (444889079) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1109249 + ... + 1109649.

It is an arithmetic number, because the mean of its divisors is an integer number (20931939).

Almost surely, 2^444889049 is an apocalyptic number.

It is an amenable number.

444889049 is a deficient number, since it is larger than the sum of its proper divisors (57477487).

444889049 is a wasteful number, since it uses less digits than its factorization.

444889049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 638 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 444889049 is about 21092.3931548793. The cubic root of 444889049 is about 763.3972161448.

The spelling of 444889049 in words is "four hundred forty-four million, eight hundred eighty-nine thousand, forty-nine".