1116276840 has 144 divisors (see below), whose sum is σ = 4220276580. Its totient is φ = 255144960.

The previous prime is 1116276829. The next prime is 1116276841. The reversal of 1116276840 is 486726111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1037741796 + 78535044 = 32214^2 + 8862^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1116276795 and 1116276804.

It is not an unprimeable number, because it can be changed into a prime (1116276841) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14001 + ... + 49280.

Almost surely, 2^1116276840 is an apocalyptic number.

1116276840 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 1116276840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2110138290).

1116276840 is an abundant number, since it is smaller than the sum of its proper divisors (3103999740).

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

1116276840 is a wasteful number, since it uses less digits than its factorization.

1116276840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63312 (or 63298 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1116276840 is about 33410.7294143663. The cubic root of 1116276840 is about 1037.3467996562.

The spelling of 1116276840 in words is "one billion, one hundred sixteen million, two hundred seventy-six thousand, eight hundred forty".