1111344040 has 16 divisors (see below), whose sum is σ = 2500524180. Its totient is φ = 444537600.

The previous prime is 1111344037. The next prime is 1111344049. The reversal of 1111344040 is 404431111.

It can be written as a sum of positive squares in 2 ways, for example, as 1059762916 + 51581124 = 32554^2 + 7182^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1111343999 and 1111344017.

It is not an unprimeable number, because it can be changed into a prime (1111344049) 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, 13891761 + ... + 13891840.

Almost surely, 2^1111344040 is an apocalyptic number.

1111344040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111344040 is an abundant number, since it is smaller than the sum of its proper divisors (1389180140).

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

1111344040 is a wasteful number, since it uses less digits than its factorization.

1111344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27783612 (or 27783608 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1111344040 is about 33336.8270835723. The cubic root of 1111344040 is about 1035.8165400158.

Adding to 1111344040 its reverse (404431111), we get a palindrome (1515775151).

The spelling of 1111344040 in words is "one billion, one hundred eleven million, three hundred forty-four thousand, forty".