442446436364 has 24 divisors (see below), whose sum is σ = 774894489600. Its totient is φ = 221048090640.

The previous prime is 442446436361. The next prime is 442446436381. The reversal of 442446436364 is 463634644244.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (442446436361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30652229 + ... + 30666659.

It is an arithmetic number, because the mean of its divisors is an integer number (32287270400).

Almost surely, 2^442446436364 is an apocalyptic number.

It is an amenable number.

442446436364 is a deficient number, since it is larger than the sum of its proper divisors (332448053236).

442446436364 is a wasteful number, since it uses less digits than its factorization.

442446436364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19973 (or 19971 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 50.

The spelling of 442446436364 in words is "four hundred forty-two billion, four hundred forty-six million, four hundred thirty-six thousand, three hundred sixty-four".