1044791018 has 4 divisors (see below), whose sum is σ = 1567186530. Its totient is φ = 522395508.

The previous prime is 1044791009. The next prime is 1044791029. The reversal of 1044791018 is 8101974401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8101974401 = 743 ⋅10904407.

It can be written as a sum of positive squares in only one way, i.e., 955242649 + 89548369 = 30907^2 + 9463^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261197753 + ... + 261197756.

Almost surely, 2^1044791018 is an apocalyptic number.

1044791018 is a deficient number, since it is larger than the sum of its proper divisors (522395512).

1044791018 is an equidigital number, since it uses as much as digits as its factorization.

1044791018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522395511.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 1044791018 is about 32323.2272213033. The cubic root of 1044791018 is about 1014.7128109165.

The spelling of 1044791018 in words is "one billion, forty-four million, seven hundred ninety-one thousand, eighteen".