118083784240 has 40 divisors (see below), whose sum is σ = 274598295120. Its totient is φ = 47224310016.

The previous prime is 118083784219. The next prime is 118083784249. The reversal of 118083784240 is 42487380811.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (118083784249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276966 + ... + 559354.

It is an arithmetic number, because the mean of its divisors is an integer number (6864957378).

Almost surely, 2^118083784240 is an apocalyptic number.

118083784240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118083784240 is an abundant number, since it is smaller than the sum of its proper divisors (156514510880).

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

118083784240 is a wasteful number, since it uses less digits than its factorization.

118083784240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287629 (or 287623 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 46.

The spelling of 118083784240 in words is "one hundred eighteen billion, eighty-three million, seven hundred eighty-four thousand, two hundred forty".