118535857440 has 1536 divisors, whose sum is σ = 532580106240. Its totient is φ = 21366374400.

The previous prime is 118535857423. The next prime is 118535857481. The reversal of 118535857440 is 44758535811.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 654894150 + ... + 654894330.

It is an arithmetic number, because the mean of its divisors is an integer number (346731840).

Almost surely, 2^118535857440 is an apocalyptic number.

118535857440 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 118535857440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266290053120).

118535857440 is an abundant number, since it is smaller than the sum of its proper divisors (414044248800).

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

118535857440 is a wasteful number, since it uses less digits than its factorization.

118535857440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 51.

The spelling of 118535857440 in words is "one hundred eighteen billion, five hundred thirty-five million, eight hundred fifty-seven thousand, four hundred forty".