118138406344 has 32 divisors (see below), whose sum is σ = 255147079680. Its totient is φ = 50232075264.

The previous prime is 118138406333. The next prime is 118138406387. The reversal of 118138406344 is 443604831811.

It is a self number, because there is not a number n which added to its sum of digits gives 118138406344.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8298457 + ... + 8312680.

It is an arithmetic number, because the mean of its divisors is an integer number (7973346240).

Almost surely, 2^118138406344 is an apocalyptic number.

118138406344 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

118138406344 is an abundant number, since it is smaller than the sum of its proper divisors (137008673336).

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

118138406344 is a wasteful number, since it uses less digits than its factorization.

118138406344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16611277 (or 16611273 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 118138406344 in words is "one hundred eighteen billion, one hundred thirty-eight million, four hundred six thousand, three hundred forty-four".