1044021342 has 64 divisors (see below), whose sum is σ = 2622412800. Its totient is φ = 275339232.

The previous prime is 1044021337. The next prime is 1044021413. The reversal of 1044021342 is 2431204401.

1044021342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7243 + ... + 46265.

It is an arithmetic number, because the mean of its divisors is an integer number (40975200).

Almost surely, 2^1044021342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044021342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1311206400).

1044021342 is an abundant number, since it is smaller than the sum of its proper divisors (1578391458).

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

1044021342 is a wasteful number, since it uses less digits than its factorization.

1044021342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39062 (or 39048 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1044021342 is about 32311.3191002782. The cubic root of 1044021342 is about 1014.4635770364.

Adding to 1044021342 its reverse (2431204401), we get a palindrome (3475225743).

The spelling of 1044021342 in words is "one billion, forty-four million, twenty-one thousand, three hundred forty-two".