1113882440 has 96 divisors (see below), whose sum is σ = 2766650040. Its totient is φ = 403307520.

The previous prime is 1113882377. The next prime is 1113882443. The reversal of 1113882440 is 442883111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 597411364 + 516471076 = 24442^2 + 22726^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1113882397 and 1113882406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113882443) 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, 1805012 + ... + 1805628.

Almost surely, 2^1113882440 is an apocalyptic number.

1113882440 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 1113882440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1383325020).

1113882440 is an abundant number, since it is smaller than the sum of its proper divisors (1652767600).

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

1113882440 is a wasteful number, since it uses less digits than its factorization.

1113882440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 1113882440 is about 33374.8773780519. The cubic root of 1113882440 is about 1036.6045700315.

The spelling of 1113882440 in words is "one billion, one hundred thirteen million, eight hundred eighty-two thousand, four hundred forty".