118386440293 has 6 divisors (see below), whose sum is σ = 130127244422. Its totient is φ = 107624036520.

The previous prime is 118386440281. The next prime is 118386440309. The reversal of 118386440293 is 392044683811.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 92728167169 + 25658273124 = 304513^2 + 160182^2 .

It is not a de Polignac number, because 118386440293 - 2⁵ = 118386440261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118386480293) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 489200046 + ... + 489200287.

Almost surely, 2^118386440293 is an apocalyptic number.

It is an amenable number.

118386440293 is a deficient number, since it is larger than the sum of its proper divisors (11740804129).

118386440293 is an equidigital number, since it uses as much as digits as its factorization.

118386440293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978400355 (or 978400344 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 118386440293 in words is "one hundred eighteen billion, three hundred eighty-six million, four hundred forty thousand, two hundred ninety-three".