1112000040 has 96 divisors (see below), whose sum is σ = 3618669600. Its totient is φ = 296150400.

The previous prime is 1112000033. The next prime is 1112000059. The reversal of 1112000040 is 400002111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1111999986 and 1112000031.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 376891 + ... + 379829.

It is an arithmetic number, because the mean of its divisors is an integer number (37694475).

Almost surely, 2^1112000040 is an apocalyptic number.

1112000040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112000040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1809334800).

1112000040 is an abundant number, since it is smaller than the sum of its proper divisors (2506669560).

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

1112000040 is a wasteful number, since it uses less digits than its factorization.

1112000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007 (or 4000 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 1112000040 is about 33346.6646008263. The cubic root of 1112000040 is about 1036.0203058984.

Adding to 1112000040 its reverse (400002111), we get a palindrome (1512002151).

The spelling of 1112000040 in words is "one billion, one hundred twelve million, forty", and thus it is an aban number.