442421332412404 has 96 divisors (see below), whose sum is σ = 804235013277696. Its totient is φ = 212850405555840.

The previous prime is 442421332412383. The next prime is 442421332412407. The reversal of 442421332412404 is 404214233124244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442421332412407) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1392912499 + ... + 1393230085.

It is an arithmetic number, because the mean of its divisors is an integer number (8377448054976).

Almost surely, 2^{442421332412404} is an apocalyptic number.

It is an amenable number.

442421332412404 is a deficient number, since it is larger than the sum of its proper divisors (361813680865292).

442421332412404 is a wasteful number, since it uses less digits than its factorization.

442421332412404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318365 (or 318363 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 40.

Adding to 442421332412404 its reverse (404214233124244), we get a palindrome (846635565536648).

The spelling of 442421332412404 in words is "four hundred forty-two trillion, four hundred twenty-one billion, three hundred thirty-two million, four hundred twelve thousand, four hundred four".