42664222406 has 8 divisors (see below), whose sum is σ = 68919128544. Its totient is φ = 19691179560.

The previous prime is 42664222399. The next prime is 42664222421. The reversal of 42664222406 is 60422246624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42664222406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 820465790 + ... + 820465841.

It is an arithmetic number, because the mean of its divisors is an integer number (8614891068).

Almost surely, 2^42664222406 is an apocalyptic number.

42664222406 is a deficient number, since it is larger than the sum of its proper divisors (26254906138).

42664222406 is a wasteful number, since it uses less digits than its factorization.

42664222406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640931646.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 42664222406 in words is "forty-two billion, six hundred sixty-four million, two hundred twenty-two thousand, four hundred six".