118446972408 has 64 divisors (see below), whose sum is σ = 335227312800. Its totient is φ = 38737370880.

The previous prime is 118446972383. The next prime is 118446972409. The reversal of 118446972408 is 804279644811.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118446972409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5161813 + ... + 5184708.

Almost surely, 2^118446972408 is an apocalyptic number.

118446972408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

118446972408 is an abundant number, since it is smaller than the sum of its proper divisors (216780340392).

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

118446972408 is a wasteful number, since it uses less digits than its factorization.

118446972408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10346589 (or 10346579 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 118446972408 in words is "one hundred eighteen billion, four hundred forty-six million, nine hundred seventy-two thousand, four hundred eight".