1118869044 has 24 divisors (see below), whose sum is σ = 2611240800. Its totient is φ = 372878304.

The previous prime is 1118869043. The next prime is 1118869051. The reversal of 1118869044 is 4409688111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1118868987 and 1118869005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118869043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94782 + ... + 105930.

It is an arithmetic number, because the mean of its divisors is an integer number (108801700).

Almost surely, 2^1118869044 is an apocalyptic number.

It is an amenable number.

1118869044 is an abundant number, since it is smaller than the sum of its proper divisors (1492371756).

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

1118869044 is a wasteful number, since it uses less digits than its factorization.

1118869044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19519 (or 19517 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 42.

The square root of 1118869044 is about 33449.4999065756. The cubic root of 1118869044 is about 1038.1491501255.

The spelling of 1118869044 in words is "one billion, one hundred eighteen million, eight hundred sixty-nine thousand, forty-four".