1112440032 has 144 divisors (see below), whose sum is σ = 3467318400. Its totient is φ = 335520000.

The previous prime is 1112440031. The next prime is 1112440037. The reversal of 1112440032 is 2300442111.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×1112440032² = 2475045649592322048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1112439987 and 1112440014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112440031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 794469 + ... + 795867.

It is an arithmetic number, because the mean of its divisors is an integer number (24078600).

Almost surely, 2^1112440032 is an apocalyptic number.

1112440032 is a gapful number since it is divisible by the number (12) 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 1112440032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1733659200).

1112440032 is an abundant number, since it is smaller than the sum of its proper divisors (2354878368).

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

1112440032 is a wasteful number, since it uses less digits than its factorization.

1112440032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1112440032 is about 33353.2611898747. The cubic root of 1112440032 is about 1036.1569307549.

Adding to 1112440032 its reverse (2300442111), we get a palindrome (3412882143).

It can be divided in two parts, 1112 and 440032, that added together give a palindrome (441144).

The spelling of 1112440032 in words is "one billion, one hundred twelve million, four hundred forty thousand, thirty-two".