1044043442 has 16 divisors (see below), whose sum is σ = 1744689240. Its totient is φ = 465249792.

The previous prime is 1044043421. The next prime is 1044043453. The reversal of 1044043442 is 2443404401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 949934041 + 94109401 = 30821^2 + 9701^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 691583 + ... + 693090.

Almost surely, 2^1044043442 is an apocalyptic number.

1044043442 is a deficient number, since it is larger than the sum of its proper divisors (700645798).

1044043442 is a wasteful number, since it uses less digits than its factorization.

1044043442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384717.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1044043442 is about 32311.6610838873. The cubic root of 1044043442 is about 1014.4707350915.

Adding to 1044043442 its reverse (2443404401), we get a palindrome (3487447843).

The spelling of 1044043442 in words is "one billion, forty-four million, forty-three thousand, four hundred forty-two".