1444021244 has 12 divisors (see below), whose sum is σ = 2614176600. Its totient is φ = 697113648.

The previous prime is 1444021231. The next prime is 1444021297. The reversal of 1444021244 is 4421204441.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6224114 + ... + 6224345.

It is an arithmetic number, because the mean of its divisors is an integer number (217848050).

Almost surely, 2^1444021244 is an apocalyptic number.

It is an amenable number.

1444021244 is a deficient number, since it is larger than the sum of its proper divisors (1170155356).

1444021244 is a wasteful number, since it uses less digits than its factorization.

1444021244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12448492 (or 12448490 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 1444021244 is about 38000.2795252877. The cubic root of 1444021244 is about 1130.2934064632.

Adding to 1444021244 its reverse (4421204441), we get a palindrome (5865225685).

The spelling of 1444021244 in words is "one billion, four hundred forty-four million, twenty-one thousand, two hundred forty-four".