16442024121338 has 12 divisors (see below), whose sum is σ = 25198946436282. Its totient is φ = 8046096908280.

The previous prime is 16442024121337. The next prime is 16442024121389. The reversal of 16442024121338 is 83312142024461.

It can be written as a sum of positive squares in only one way, i.e., 11637015448249 + 4805008673089 = 3411307^2 + 2192033^2 .

It is a super-3 number, since 3×16442024121338³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16442024121295 and 16442024121304.

It is not an unprimeable number, because it can be changed into a prime (16442024121337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1860795053 + ... + 1860803888.

Almost surely, 2^{16442024121338} is an apocalyptic number.

16442024121338 is a deficient number, since it is larger than the sum of its proper divisors (8756922314944).

16442024121338 is an equidigital number, since it uses as much as digits as its factorization.

16442024121338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721599037 (or 3721598990 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 41.

Adding to 16442024121338 its reverse (83312142024461), we get a palindrome (99754166145799).

The spelling of 16442024121338 in words is "sixteen trillion, four hundred forty-two billion, twenty-four million, one hundred twenty-one thousand, three hundred thirty-eight".