118382840 has 32 divisors (see below), whose sum is σ = 277944480. Its totient is φ = 45293952.

The previous prime is 118382839. The next prime is 118382857. The reversal of 118382840 is 48283811.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 118382840.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63419 + ... + 65258.

It is an arithmetic number, because the mean of its divisors is an integer number (8685765).

Almost surely, 2^118382840 is an apocalyptic number.

118382840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118382840 is an abundant number, since it is smaller than the sum of its proper divisors (159561640).

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

118382840 is a wasteful number, since it uses less digits than its factorization.

118382840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128711 (or 128707 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 118382840 is about 10880.3878607336. The cubic root of 118382840 is about 491.0166867703.

The spelling of 118382840 in words is "one hundred eighteen million, three hundred eighty-two thousand, eight hundred forty".