118839040 has 72 divisors (see below), whose sum is σ = 286609680. Its totient is φ = 47210496.

The previous prime is 118839001. The next prime is 118839043. The reversal of 118839040 is 40938811.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 118838987 and 118839005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118839043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 290356 + ... + 290764.

It is an arithmetic number, because the mean of its divisors is an integer number (3980690).

Almost surely, 2^118839040 is an apocalyptic number.

118839040 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 118839040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143304840).

118839040 is an abundant number, since it is smaller than the sum of its proper divisors (167770640).

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

118839040 is an equidigital number, since it uses as much as digits as its factorization.

118839040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 118839040 is about 10901.3320287018. The cubic root of 118839040 is about 491.6466054568.

The spelling of 118839040 in words is "one hundred eighteen million, eight hundred thirty-nine thousand, forty".