6442530352446 has 32 divisors (see below), whose sum is σ = 13350414539808. Its totient is φ = 2070978416640.

The previous prime is 6442530352393. The next prime is 6442530352451.

6442530352446 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6442530352395 and 6442530352404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128383795 + ... + 128433966.

It is an arithmetic number, because the mean of its divisors is an integer number (417200454369).

Almost surely, 2^{6442530352446} is an apocalyptic number.

6442530352446 is an abundant number, since it is smaller than the sum of its proper divisors (6907884187362).

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

6442530352446 is a wasteful number, since it uses less digits than its factorization.

6442530352446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256817916.

The product of its (nonzero) digits is 8294400, while the sum is 48.

It can be divided in two parts, 6442530 and 352446, that added together give a palindrome (6794976).

The spelling of 6442530352446 in words is "six trillion, four hundred forty-two billion, five hundred thirty million, three hundred fifty-two thousand, four hundred forty-six".