1113806480 has 80 divisors (see below), whose sum is σ = 2693599920. Its totient is φ = 427800576.

The previous prime is 1113806461. The next prime is 1113806483. The reversal of 1113806480 is 846083111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 288048784 + 825757696 = 16972^2 + 28736^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1113806483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455822 + ... + 458258.

It is an arithmetic number, because the mean of its divisors is an integer number (33669999).

Almost surely, 2^1113806480 is an apocalyptic number.

1113806480 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 1113806480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346799960).

1113806480 is an abundant number, since it is smaller than the sum of its proper divisors (1579793440).

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

1113806480 is a wasteful number, since it uses less digits than its factorization.

1113806480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676 (or 2670 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1113806480 is about 33373.7393769413. The cubic root of 1113806480 is about 1036.5810061226.

Adding to 1113806480 its reverse (846083111), we get a palindrome (1959889591).

The spelling of 1113806480 in words is "one billion, one hundred thirteen million, eight hundred six thousand, four hundred eighty".