1118844442 has 8 divisors (see below), whose sum is σ = 1683076500. Its totient is φ = 557818944.

The previous prime is 1118844403. The next prime is 1118844481. The reversal of 1118844442 is 2444488111.

It is an interprime number because it is at equal distance from previous prime (1118844403) and next prime (1118844481).

It can be written as a sum of positive squares in 2 ways, for example, as 886312441 + 232532001 = 29771^2 + 15249^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 800767 + ... + 802162.

Almost surely, 2^1118844442 is an apocalyptic number.

1118844442 is a deficient number, since it is larger than the sum of its proper divisors (564232058).

1118844442 is a wasteful number, since it uses less digits than its factorization.

1118844442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1603280.

The product of its digits is 32768, while the sum is 37.

The square root of 1118844442 is about 33449.1321561562. The cubic root of 1118844442 is about 1038.1415410334.

The spelling of 1118844442 in words is "one billion, one hundred eighteen million, eight hundred forty-four thousand, four hundred forty-two".