1111044040 has 16 divisors (see below), whose sum is σ = 2499849180. Its totient is φ = 444417600.

The previous prime is 1111044037. The next prime is 1111044041. The reversal of 1111044040 is 404401111.

It can be written as a sum of positive squares in 2 ways, for example, as 1108490436 + 2553604 = 33294^2 + 1598^2 .

It is not an unprimeable number, because it can be changed into a prime (1111044041) 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, 13888011 + ... + 13888090.

Almost surely, 2^1111044040 is an apocalyptic number.

1111044040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111044040 is an abundant number, since it is smaller than the sum of its proper divisors (1388805140).

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

1111044040 is a wasteful number, since it uses less digits than its factorization.

1111044040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27776112 (or 27776108 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1111044040 is about 33332.3272514837. The cubic root of 1111044040 is about 1035.7233276783.

Adding to 1111044040 its reverse (404401111), we get a palindrome (1515445151).

The spelling of 1111044040 in words is "one billion, one hundred eleven million, forty-four thousand, forty".