1113433440 has 384 divisors, whose sum is σ = 4284887040. Its totient is φ = 237385728.

The previous prime is 1113433439. The next prime is 1113433469. The reversal of 1113433440 is 443343111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1113433440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6830799 + ... + 6830961.

It is an arithmetic number, because the mean of its divisors is an integer number (11158560).

Almost surely, 2^1113433440 is an apocalyptic number.

1113433440 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 1113433440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142443520).

1113433440 is an abundant number, since it is smaller than the sum of its proper divisors (3171453600).

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

1113433440 is a wasteful number, since it uses less digits than its factorization.

1113433440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1113433440 is about 33368.1500835752. The cubic root of 1113433440 is about 1036.4652680767.

Adding to 1113433440 its reverse (443343111), we get a palindrome (1556776551).

The spelling of 1113433440 in words is "one billion, one hundred thirteen million, four hundred thirty-three thousand, four hundred forty".