1442345344 has 64 divisors (see below), whose sum is σ = 3174566400. Its totient is φ = 647262720.

The previous prime is 1442345327. The next prime is 1442345383. The reversal of 1442345344 is 4435432441.

It is a tau number, because it is divible by the number of its divisors (64).

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, 104749 + ... + 117715.

It is an arithmetic number, because the mean of its divisors is an integer number (49602600).

Almost surely, 2^1442345344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1442345344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1587283200).

1442345344 is an abundant number, since it is smaller than the sum of its proper divisors (1732221056).

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

1442345344 is a wasteful number, since it uses less digits than its factorization.

1442345344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071 (or 13059 counting only the distinct ones).

The product of its digits is 92160, while the sum is 34.

The square root of 1442345344 is about 37978.2219699659. The cubic root of 1442345344 is about 1129.8559724544.

Adding to 1442345344 its reverse (4435432441), we get a palindrome (5877777785).

The spelling of 1442345344 in words is "one billion, four hundred forty-two million, three hundred forty-five thousand, three hundred forty-four".