118943840 has 48 divisors (see below), whose sum is σ = 287001792. Its totient is φ = 46562304.

The previous prime is 118943831. The next prime is 118943873. The reversal of 118943840 is 48349811.

It is a junction number, because it is equal to n+sod(n) for n = 118943794 and 118943803.

It is a congruent number.

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, 389 + ... + 15428.

It is an arithmetic number, because the mean of its divisors is an integer number (5979204).

Almost surely, 2^118943840 is an apocalyptic number.

118943840 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 118943840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143500896).

118943840 is an abundant number, since it is smaller than the sum of its proper divisors (168057952).

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

118943840 is a wasteful number, since it uses less digits than its factorization.

118943840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15879 (or 15871 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 118943840 is about 10906.1377214851. The cubic root of 118943840 is about 491.7910849863.

The spelling of 118943840 in words is "one hundred eighteen million, nine hundred forty-three thousand, eight hundred forty".