118949216540 has 96 divisors (see below), whose sum is σ = 311534705664. Its totient is φ = 37062696960.

The previous prime is 118949216453. The next prime is 118949216543. The reversal of 118949216540 is 45612949811.

It is a happy number.

118949216540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×118949216540² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118949216543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5312609 + ... + 5334951.

It is an arithmetic number, because the mean of its divisors is an integer number (3245153184).

Almost surely, 2^118949216540 is an apocalyptic number.

118949216540 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 118949216540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155767352832).

118949216540 is an abundant number, since it is smaller than the sum of its proper divisors (192585489124).

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

118949216540 is a wasteful number, since it uses less digits than its factorization.

118949216540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25827 (or 25825 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 118949216540 in words is "one hundred eighteen billion, nine hundred forty-nine million, two hundred sixteen thousand, five hundred forty".