118394053440 has 448 divisors, whose sum is σ = 424412980992. Its totient is φ = 27765964800.

The previous prime is 118394053423. The next prime is 118394053529. The reversal of 118394053440 is 44350493811.

It is a junction number, because it is equal to n+sod(n) for n = 118394053392 and 118394053401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21999550 + ... + 22004930.

It is an arithmetic number, because the mean of its divisors is an integer number (947350404).

Almost surely, 2^118394053440 is an apocalyptic number.

118394053440 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 118394053440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212206490496).

118394053440 is an abundant number, since it is smaller than the sum of its proper divisors (306018927552).

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

118394053440 is a wasteful number, since it uses less digits than its factorization.

118394053440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498 (or 5488 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 118394053440 in words is "one hundred eighteen billion, three hundred ninety-four million, fifty-three thousand, four hundred forty".