118285440 has 256 divisors, whose sum is σ = 464728320. Its totient is φ = 24920064.

The previous prime is 118285399. The next prime is 118285441. The reversal of 118285440 is 44582811.

It is not an unprimeable number, because it can be changed into a prime (118285441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 174382 + ... + 175058.

It is an arithmetic number, because the mean of its divisors is an integer number (1815345).

Almost surely, 2^118285440 is an apocalyptic number.

118285440 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 118285440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232364160).

118285440 is an abundant number, since it is smaller than the sum of its proper divisors (346442880).

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

118285440 is a wasteful number, since it uses less digits than its factorization.

118285440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 118285440 is about 10875.9109963258. The cubic root of 118285440 is about 490.8819877791.

The spelling of 118285440 in words is "one hundred eighteen million, two hundred eighty-five thousand, four hundred forty".