1118234880 has 432 divisors, whose sum is σ = 4527868800. Its totient is φ = 254693376.

The previous prime is 1118234849. The next prime is 1118234917. The reversal of 1118234880 is 884328111.

It is a super-2 number, since 2×1118234880² = 2500898493697228800, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3951219 + ... + 3951501.

Almost surely, 2^1118234880 is an apocalyptic number.

1118234880 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 1118234880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2263934400).

1118234880 is an abundant number, since it is smaller than the sum of its proper divisors (3409633920).

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

1118234880 is an equidigital number, since it uses as much as digits as its factorization.

1118234880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 36.

The square root of 1118234880 is about 33440.0191387505. The cubic root of 1118234880 is about 1037.9529754722.

The spelling of 1118234880 in words is "one billion, one hundred eighteen million, two hundred thirty-four thousand, eight hundred eighty".