64022066644444 has 6 divisors (see below), whose sum is σ = 112038616627784. Its totient is φ = 32011033322220.

The previous prime is 64022066644409. The next prime is 64022066644483. The reversal of 64022066644444 is 44444666022046.

It is a junction number, because it is equal to n+sod(n) for n = 64022066644391 and 64022066644400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8002758330552 + ... + 8002758330559.

Almost surely, 2^{64022066644444} is an apocalyptic number.

It is an amenable number.

64022066644444 is a deficient number, since it is larger than the sum of its proper divisors (48016549983340).

64022066644444 is a wasteful number, since it uses less digits than its factorization.

64022066644444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16005516661115 (or 16005516661113 counting only the distinct ones).

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

The spelling of 64022066644444 in words is "sixty-four trillion, twenty-two billion, sixty-six million, six hundred forty-four thousand, four hundred forty-four".