118638960 has 80 divisors (see below), whose sum is σ = 401224320. Its totient is φ = 28760320.

The previous prime is 118638959. The next prime is 118638973. The reversal of 118638960 is 69836811.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 19830 + ... + 25109.

It is an arithmetic number, because the mean of its divisors is an integer number (5015304).

Almost surely, 2^118638960 is an apocalyptic number.

118638960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118638960 is an abundant number, since it is smaller than the sum of its proper divisors (282585360).

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

118638960 is a wasteful number, since it uses less digits than its factorization.

118638960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44966 (or 44960 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 118638960 is about 10892.1513026583. The cubic root of 118638960 is about 491.3705348162.

The spelling of 118638960 in words is "one hundred eighteen million, six hundred thirty-eight thousand, nine hundred sixty".