1113302040 has 64 divisors (see below), whose sum is σ = 3358424160. Its totient is φ = 295234560.

The previous prime is 1113302009. The next prime is 1113302041. The reversal of 1113302040 is 402033111.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113302041) 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, 3909 + ... + 47348.

Almost surely, 2^1113302040 is an apocalyptic number.

1113302040 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 1113302040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679212080).

1113302040 is an abundant number, since it is smaller than the sum of its proper divisors (2245122120).

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

1113302040 is a wasteful number, since it uses less digits than its factorization.

1113302040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51452 (or 51448 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1113302040 is about 33366.1810820477. The cubic root of 1113302040 is about 1036.4244942297.

Adding to 1113302040 its reverse (402033111), we get a palindrome (1515335151).

The spelling of 1113302040 in words is "one billion, one hundred thirteen million, three hundred two thousand, forty".