118391078400 has 240 divisors, whose sum is σ = 446969618304. Its totient is φ = 27060756480.

The previous prime is 118391078389. The next prime is 118391078413. The reversal of 118391078400 is 4870193811.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48579 + ... + 489021.

Almost surely, 2^118391078400 is an apocalyptic number.

118391078400 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 118391078400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223484809152).

118391078400 is an abundant number, since it is smaller than the sum of its proper divisors (328578539904).

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

118391078400 is an equidigital number, since it uses as much as digits as its factorization.

118391078400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440481 (or 440460 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 118391078400 in words is "one hundred eighteen billion, three hundred ninety-one million, seventy-eight thousand, four hundred".