118774447680 has 336 divisors, whose sum is σ = 461769439680. Its totient is φ = 25719386112.

The previous prime is 118774447667. The next prime is 118774447681. The reversal of 118774447680 is 86744477811.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a self number, because there is not a number n which added to its sum of digits gives 118774447680.

It is not an unprimeable number, because it can be changed into a prime (118774447681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 827314 + ... + 960206.

Almost surely, 2^118774447680 is an apocalyptic number.

118774447680 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 118774447680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230884719840).

118774447680 is an abundant number, since it is smaller than the sum of its proper divisors (342994992000).

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

118774447680 is a wasteful number, since it uses less digits than its factorization.

118774447680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132946 (or 132929 counting only the distinct ones).

The product of its (nonzero) digits is 8429568, while the sum is 57.

The spelling of 118774447680 in words is "one hundred eighteen billion, seven hundred seventy-four million, four hundred forty-seven thousand, six hundred eighty".