118393533440 has 528 divisors, whose sum is σ = 367578054144. Its totient is φ = 36229939200.

The previous prime is 118393533431. The next prime is 118393533463. The reversal of 118393533440 is 44335393811.

It is a junction number, because it is equal to n+sod(n) for n = 118393533391 and 118393533400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101104055 + ... + 101105225.

Almost surely, 2^118393533440 is an apocalyptic number.

118393533440 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 118393533440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183789027072).

118393533440 is an abundant number, since it is smaller than the sum of its proper divisors (249184520704).

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

118393533440 is a wasteful number, since it uses less digits than its factorization.

118393533440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 44.

The spelling of 118393533440 in words is "one hundred eighteen billion, three hundred ninety-three million, five hundred thirty-three thousand, four hundred forty".