1111440836 has 12 divisors (see below), whose sum is σ = 2121841680. Its totient is φ = 505200360.

The previous prime is 1111440821. The next prime is 1111440839. The reversal of 1111440836 is 6380441111.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1111440799 and 1111440808.

It is not an unprimeable number, because it can be changed into a prime (1111440839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12629966 + ... + 12630053.

It is an arithmetic number, because the mean of its divisors is an integer number (176820140).

Almost surely, 2^1111440836 is an apocalyptic number.

It is an amenable number.

1111440836 is a deficient number, since it is larger than the sum of its proper divisors (1010400844).

1111440836 is a wasteful number, since it uses less digits than its factorization.

1111440836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25260034 (or 25260032 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 1111440836 is about 33338.2788397962. The cubic root of 1111440836 is about 1035.8466117078.

Adding to 1111440836 its reverse (6380441111), we get a palindrome (7491881947).

The spelling of 1111440836 in words is "one billion, one hundred eleven million, four hundred forty thousand, eight hundred thirty-six".