64446222264446 has 16 divisors (see below), whose sum is σ = 105543683157888. Its totient is φ = 29269785019800.

The previous prime is 64446222264439. The next prime is 64446222264451.

64446222264446 is nontrivially palindromic in base 10.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64446222264391 and 64446222264400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197591140 + ... + 1197644951.

It is an arithmetic number, because the mean of its divisors is an integer number (6596480197368).

Almost surely, 2^{64446222264446} is an apocalyptic number.

64446222264446 is a deficient number, since it is larger than the sum of its proper divisors (41097460893442).

64446222264446 is a wasteful number, since it uses less digits than its factorization.

64446222264446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395237327.

The product of its digits is 84934656, while the sum is 56.

The spelling of 64446222264446 in words is "sixty-four trillion, four hundred forty-six billion, two hundred twenty-two million, two hundred sixty-four thousand, four hundred forty-six".