118432419840 has 1560 divisors, whose sum is σ = 520642501632. Its totient is φ = 25639649280.

The previous prime is 118432419817. The next prime is 118432419841. The reversal of 118432419840 is 48914234811.

118432419840 is a `hidden beast` number, since 118 + 43 + 2 + 419 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118432419841) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 2519838697 + ... + 2519838743.

Almost surely, 2^118432419840 is an apocalyptic number.

118432419840 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 118432419840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260321250816).

118432419840 is an abundant number, since it is smaller than the sum of its proper divisors (402210081792).

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

118432419840 is an equidigital number, since it uses as much as digits as its factorization.

118432419840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 95 counting only the distinct ones).

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

The spelling of 118432419840 in words is "one hundred eighteen billion, four hundred thirty-two million, four hundred nineteen thousand, eight hundred forty".