118642320 has 240 divisors, whose sum is σ = 438721920. Its totient is φ = 29693952.

The previous prime is 118642319. The next prime is 118642343. The reversal of 118642320 is 23246811.

118642320 is a `hidden beast` number, since 1 + 18 + 642 + 3 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 330301 + ... + 330659.

It is an arithmetic number, because the mean of its divisors is an integer number (1828008).

Almost surely, 2^118642320 is an apocalyptic number.

118642320 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 118642320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219360960).

118642320 is an abundant number, since it is smaller than the sum of its proper divisors (320079600).

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

118642320 is a wasteful number, since it uses less digits than its factorization.

118642320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 118642320 is about 10892.3055410689. The cubic root of 118642320 is about 491.3751735099.

The spelling of 118642320 in words is "one hundred eighteen million, six hundred forty-two thousand, three hundred twenty".