446213312644 has 24 divisors (see below), whose sum is σ = 859677033600. Its totient is φ = 200963458080.

The previous prime is 446213312639. The next prime is 446213312687.

446213312644 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 446213312597 and 446213312606.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 46514524 + ... + 46524115.

It is an arithmetic number, because the mean of its divisors is an integer number (35819876400).

Almost surely, 2^446213312644 is an apocalyptic number.

446213312644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

446213312644 is a deficient number, since it is larger than the sum of its proper divisors (413463720956).

446213312644 is a wasteful number, since it uses less digits than its factorization.

446213312644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93038763 (or 93038761 counting only the distinct ones).

The product of its digits is 331776, while the sum is 40.

It can be divided in two parts, 446213 and 312644, that added together give a palindrome (758857).

The spelling of 446213312644 in words is "four hundred forty-six billion, two hundred thirteen million, three hundred twelve thousand, six hundred forty-four".