442362661406 has 8 divisors (see below), whose sum is σ = 663557465424. Its totient is φ = 221176839600.

The previous prime is 442362661397. The next prime is 442362661417. The reversal of 442362661406 is 604166263244.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2121050 + ... + 2320253.

It is an arithmetic number, because the mean of its divisors is an integer number (82944683178).

Almost surely, 2^442362661406 is an apocalyptic number.

442362661406 is a deficient number, since it is larger than the sum of its proper divisors (221194804018).

442362661406 is a wasteful number, since it uses less digits than its factorization.

442362661406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491106.

The product of its (nonzero) digits is 995328, while the sum is 44.

The spelling of 442362661406 in words is "four hundred forty-two billion, three hundred sixty-two million, six hundred sixty-one thousand, four hundred six".