1244321442 has 48 divisors (see below), whose sum is σ = 3318194880. Its totient is φ = 328172256.

The previous prime is 1244321411. The next prime is 1244321461. The reversal of 1244321442 is 2441234421.

1244321442 is a `hidden beast` number, since 1 + 2 + 443 + 214 + 4 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 378192 + ... + 381467.

It is an arithmetic number, because the mean of its divisors is an integer number (69129060).

Almost surely, 2^1244321442 is an apocalyptic number.

1244321442 is an abundant number, since it is smaller than the sum of its proper divisors (2073873438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244321442 is a wasteful number, since it uses less digits than its factorization.

1244321442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759687 (or 759684 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 1244321442 is about 35274.9407086674. The cubic root of 1244321442 is about 1075.5836576700.

Adding to 1244321442 its reverse (2441234421), we get a palindrome (3685555863).

The spelling of 1244321442 in words is "one billion, two hundred forty-four million, three hundred twenty-one thousand, four hundred forty-two".