118640204298 has 96 divisors (see below), whose sum is σ = 320749258752. Its totient is φ = 30790000800.

The previous prime is 118640204297. The next prime is 118640204323. The reversal of 118640204298 is 892402046811.

118640204298 is a `hidden beast` number, since 1 + 186 + 40 + 2 + 0 + 429 + 8 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (118640204297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1660083 + ... + 1730073.

It is an arithmetic number, because the mean of its divisors is an integer number (3341138112).

Almost surely, 2^118640204298 is an apocalyptic number.

118640204298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 118640204298, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160374629376).

118640204298 is an abundant number, since it is smaller than the sum of its proper divisors (202109054454).

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

118640204298 is a wasteful number, since it uses less digits than its factorization.

118640204298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71240 (or 71237 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 118640204298 in words is "one hundred eighteen billion, six hundred forty million, two hundred four thousand, two hundred ninety-eight".