1044430994 has 4 divisors (see below), whose sum is σ = 1566646494. Its totient is φ = 522215496.

The previous prime is 1044430991. The next prime is 1044431051. The reversal of 1044430994 is 4990344401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1036518025 + 7912969 = 32195^2 + 2813^2 .

It is a super-2 number, since 2×1044430994² = 2181672202455656072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1044430991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261107747 + ... + 261107750.

Almost surely, 2^1044430994 is an apocalyptic number.

1044430994 is a deficient number, since it is larger than the sum of its proper divisors (522215500).

1044430994 is an equidigital number, since it uses as much as digits as its factorization.

1044430994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522215499.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 1044430994 is about 32317.6576193263. The cubic root of 1044430994 is about 1014.5962444043.

The spelling of 1044430994 in words is "one billion, forty-four million, four hundred thirty thousand, nine hundred ninety-four".