58994448138 has 24 divisors (see below), whose sum is σ = 133378753248. Its totient is φ = 18809823912.

The previous prime is 58994448137. The next prime is 58994448209. The reversal of 58994448138 is 83184449985.

58994448138 is a `hidden beast` number, since 5 + 89 + 9 + 44 + 481 + 38 = 666.

It is a super-2 number, since 2×58994448138² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (58994448137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71248920 + ... + 71249747.

It is an arithmetic number, because the mean of its divisors is an integer number (5557448052).

Almost surely, 2^58994448138 is an apocalyptic number.

58994448138 is an abundant number, since it is smaller than the sum of its proper divisors (74384305110).

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

58994448138 is a wasteful number, since it uses less digits than its factorization.

58994448138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142498698 (or 142498695 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 63.

The spelling of 58994448138 in words is "fifty-eight billion, nine hundred ninety-four million, four hundred forty-eight thousand, one hundred thirty-eight".