118418540 has 24 divisors (see below), whose sum is σ = 249071760. Its totient is φ = 47292608.

The previous prime is 118418533. The next prime is 118418563. The reversal of 118418540 is 45814811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 118418497 and 118418506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9326 + ... + 17994.

It is an arithmetic number, because the mean of its divisors is an integer number (10377990).

Almost surely, 2^118418540 is an apocalyptic number.

118418540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118418540 is an abundant number, since it is smaller than the sum of its proper divisors (130653220).

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

118418540 is a wasteful number, since it uses less digits than its factorization.

118418540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9361 (or 9359 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 32.

The square root of 118418540 is about 10882.0283035838. The cubic root of 118418540 is about 491.0660394579.

The spelling of 118418540 in words is "one hundred eighteen million, four hundred eighteen thousand, five hundred forty".