118392840840 has 256 divisors, whose sum is σ = 367890336000. Its totient is φ = 30462050304.

The previous prime is 118392840829. The next prime is 118392840851. The reversal of 118392840840 is 48048293811.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (118392840829) and next prime (118392840851).

It is a self number, because there is not a number n which added to its sum of digits gives 118392840840.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 263680936 + ... + 263681384.

It is an arithmetic number, because the mean of its divisors is an integer number (1437071625).

Almost surely, 2^118392840840 is an apocalyptic number.

118392840840 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 118392840840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183945168000).

118392840840 is an abundant number, since it is smaller than the sum of its proper divisors (249497495160).

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

118392840840 is a wasteful number, since it uses less digits than its factorization.

118392840840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016 (or 1012 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 118392840840 in words is "one hundred eighteen billion, three hundred ninety-two million, eight hundred forty thousand, eight hundred forty".