1118994360 has 128 divisors (see below), whose sum is σ = 3854995200. Its totient is φ = 256988160.

The previous prime is 1118994343. The next prime is 1118994397. The reversal of 1118994360 is 634998111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2772 + ... + 47388.

It is an arithmetic number, because the mean of its divisors is an integer number (30117150).

Almost surely, 2^1118994360 is an apocalyptic number.

1118994360 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 1118994360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927497600).

1118994360 is an abundant number, since it is smaller than the sum of its proper divisors (2736000840).

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

1118994360 is a wasteful number, since it uses less digits than its factorization.

1118994360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44661 (or 44657 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 1118994360 is about 33451.3730659894. The cubic root of 1118994360 is about 1038.1879070717.

The spelling of 1118994360 in words is "one billion, one hundred eighteen million, nine hundred ninety-four thousand, three hundred sixty".