1116072640 has 56 divisors (see below), whose sum is σ = 2668950720. Its totient is φ = 444530688.

The previous prime is 1116072623. The next prime is 1116072641. The reversal of 1116072640 is 462706111.

It is a junction number, because it is equal to n+sod(n) for n = 1116072599 and 1116072608.

It is not an unprimeable number, because it can be changed into a prime (1116072641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69184 + ... + 83776.

Almost surely, 2^1116072640 is an apocalyptic number.

1116072640 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 1116072640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1334475360).

1116072640 is an abundant number, since it is smaller than the sum of its proper divisors (1552878080).

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

1116072640 is a wasteful number, since it uses less digits than its factorization.

1116072640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14849 (or 14839 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 1116072640 is about 33407.6733700508. The cubic root of 1116072640 is about 1037.2835420105.

Adding to 1116072640 its reverse (462706111), we get a palindrome (1578778751).

The spelling of 1116072640 in words is "one billion, one hundred sixteen million, seventy-two thousand, six hundred forty".