1444003444 has 24 divisors (see below), whose sum is σ = 2772743400. Its totient is φ = 653887104.

The previous prime is 1444003441. The next prime is 1444003469. The reversal of 1444003444 is 4443004441.

It can be written as a sum of positive squares in 4 ways, for example, as 2890000 + 1441113444 = 1700^2 + 37962^2 .

It is a super-2 number, since 2×1444003444² = 4170291892567722272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444003441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259219 + ... + 264730.

It is an arithmetic number, because the mean of its divisors is an integer number (115530975).

Almost surely, 2^1444003444 is an apocalyptic number.

It is an amenable number.

1444003444 is a deficient number, since it is larger than the sum of its proper divisors (1328739956).

1444003444 is a wasteful number, since it uses less digits than its factorization.

1444003444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524019 (or 524017 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 1444003444 is about 38000.0453157625. The cubic root of 1444003444 is about 1130.2887621859.

Adding to 1444003444 its reverse (4443004441), we get a palindrome (5887007885).

The spelling of 1444003444 in words is "one billion, four hundred forty-four million, three thousand, four hundred forty-four".