1244312444 has 24 divisors (see below), whose sum is σ = 2232325536. Its totient is φ = 606528000.

The previous prime is 1244312431. The next prime is 1244312453. The reversal of 1244312444 is 4442134421.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352649 + ... + 356159.

It is an arithmetic number, because the mean of its divisors is an integer number (93013564).

Almost surely, 2^1244312444 is an apocalyptic number.

It is an amenable number.

1244312444 is a deficient number, since it is larger than the sum of its proper divisors (988013092).

1244312444 is a wasteful number, since it uses less digits than its factorization.

1244312444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5717 (or 5715 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 1244312444 is about 35274.8131674712. The cubic root of 1244312444 is about 1075.5810650588.

Adding to 1244312444 its reverse (4442134421), we get a palindrome (5686446865).

The spelling of 1244312444 in words is "one billion, two hundred forty-four million, three hundred twelve thousand, four hundred forty-four".