118441491840 has 960 divisors, whose sum is σ = 506151344160. Its totient is φ = 25853313024.

The previous prime is 118441491803. The next prime is 118441491853. The reversal of 118441491840 is 48194144811.

118441491840 is a `hidden beast` number, since 1 + 1 + 84 + 4 + 1 + 491 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

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

It is a congruent number.

It is an unprimeable number.

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 119 ways as a sum of consecutive naturals, for example, 191963212 + ... + 191963828.

Almost surely, 2^118441491840 is an apocalyptic number.

118441491840 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 118441491840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253075672080).

118441491840 is an abundant number, since it is smaller than the sum of its proper divisors (387709852320).

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

118441491840 is an equidigital number, since it uses as much as digits as its factorization.

118441491840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 118441491840 in words is "one hundred eighteen billion, four hundred forty-one million, four hundred ninety-one thousand, eight hundred forty".