118503458640 has 480 divisors, whose sum is σ = 472371194880. Its totient is φ = 26049171456.

The previous prime is 118503458639. The next prime is 118503458651. The reversal of 118503458640 is 46854305811.

118503458640 is a `hidden beast` number, since 1 + 18 + 50 + 3 + 4 + 586 + 4 + 0 = 666.

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 polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 40484857 + ... + 40487783.

It is an arithmetic number, because the mean of its divisors is an integer number (984106656).

Almost surely, 2^118503458640 is an apocalyptic number.

118503458640 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 118503458640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236185597440).

118503458640 is an abundant number, since it is smaller than the sum of its proper divisors (353867736240).

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

118503458640 is a wasteful number, since it uses less digits than its factorization.

118503458640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259 (or 3250 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 118503458640 in words is "one hundred eighteen billion, five hundred three million, four hundred fifty-eight thousand, six hundred forty".