442313331424 has 12 divisors (see below), whose sum is σ = 870804371304. Its totient is φ = 221156665696.

The previous prime is 442313331419. The next prime is 442313331433. The reversal of 442313331424 is 424133313244.

It is a self number, because there is not a number n which added to its sum of digits gives 442313331424.

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, 6911145772 + ... + 6911145835.

It is an arithmetic number, because the mean of its divisors is an integer number (72567030942).

Almost surely, 2^442313331424 is an apocalyptic number.

It is an amenable number.

442313331424 is a deficient number, since it is larger than the sum of its proper divisors (428491039880).

442313331424 is a wasteful number, since it uses less digits than its factorization.

442313331424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13822291617 (or 13822291609 counting only the distinct ones).

The product of its digits is 82944, while the sum is 34.

Adding to 442313331424 its reverse (424133313244), we get a palindrome (866446644668).

The spelling of 442313331424 in words is "four hundred forty-two billion, three hundred thirteen million, three hundred thirty-one thousand, four hundred twenty-four".