118939996728 has 384 divisors, whose sum is σ = 398711808000. Its totient is φ = 32722341120.

The previous prime is 118939996687. The next prime is 118939996733. The reversal of 118939996728 is 827699939811.

118939996728 is a `hidden beast` number, since 1 + 1 + 89 + 399 + 96 + 72 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 75135025 + ... + 75136607.

It is an arithmetic number, because the mean of its divisors is an integer number (1038312000).

Almost surely, 2^118939996728 is an apocalyptic number.

118939996728 is a gapful number since it is divisible by the number (18) 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 118939996728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199355904000).

118939996728 is an abundant number, since it is smaller than the sum of its proper divisors (279771811272).

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

118939996728 is a wasteful number, since it uses less digits than its factorization.

118939996728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872 (or 1855 counting only the distinct ones).

The product of its digits is 105815808, while the sum is 72.

The spelling of 118939996728 in words is "one hundred eighteen billion, nine hundred thirty-nine million, nine hundred ninety-six thousand, seven hundred twenty-eight".