64441433414446 has 64 divisors (see below), whose sum is σ = 115846886983680. Its totient is φ = 26538519443040.

The previous prime is 64441433414411. The next prime is 64441433414551.

64441433414446 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64441433414393 and 64441433414402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52102321 + ... + 53324803.

It is an arithmetic number, because the mean of its divisors is an integer number (1810107609120).

Almost surely, 2^{64441433414446} is an apocalyptic number.

64441433414446 is a deficient number, since it is larger than the sum of its proper divisors (51405453569234).

64441433414446 is a wasteful number, since it uses less digits than its factorization.

64441433414446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228021.

The product of its digits is 21233664, while the sum is 52.

It can be divided in two parts, 6444143 and 3414446, that added together give a palindrome (9858589).

The spelling of 64441433414446 in words is "sixty-four trillion, four hundred forty-one billion, four hundred thirty-three million, four hundred fourteen thousand, four hundred forty-six".