118144459136640 has 256 divisors, whose sum is σ = 377439004800000. Its totient is φ = 31433805692928.

The previous prime is 118144459136629. The next prime is 118144459136663. The reversal of 118144459136640 is 46631954441811.

It is a happy number.

It is a super-2 number, since 2×118144459136640² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8965953732 + ... + 8965966908.

It is an arithmetic number, because the mean of its divisors is an integer number (1474371112500).

Almost surely, 2^{118144459136640} is an apocalyptic number.

118144459136640 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 118144459136640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188719502400000).

118144459136640 is an abundant number, since it is smaller than the sum of its proper divisors (259294545663360).

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

118144459136640 is a wasteful number, since it uses less digits than its factorization.

118144459136640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23427 (or 23415 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 57.

The spelling of 118144459136640 in words is "one hundred eighteen trillion, one hundred forty-four billion, four hundred fifty-nine million, one hundred thirty-six thousand, six hundred forty".