118782340 has 48 divisors (see below), whose sum is σ = 259680960. Its totient is φ = 45601920.

The previous prime is 118782331. The next prime is 118782341. The reversal of 118782340 is 43287811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 118782296 and 118782305.

It is not an unprimeable number, because it can be changed into a prime (118782341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49570 + ... + 51910.

It is an arithmetic number, because the mean of its divisors is an integer number (5410020).

Almost surely, 2^118782340 is an apocalyptic number.

118782340 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 118782340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129840480).

118782340 is an abundant number, since it is smaller than the sum of its proper divisors (140898620).

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

118782340 is a wasteful number, since it uses less digits than its factorization.

118782340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452 (or 2450 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 118782340 is about 10898.7311188046. The cubic root of 118782340 is about 491.5684022078.

The spelling of 118782340 in words is "one hundred eighteen million, seven hundred eighty-two thousand, three hundred forty".