442405351324 has 12 divisors (see below), whose sum is σ = 774439739248. Its totient is φ = 221136854400.

The previous prime is 442405351321. The next prime is 442405351327. The reversal of 442405351324 is 423153504244.

It is an interprime number because it is at equal distance from previous prime (442405351321) and next prime (442405351327).

It is a super-2 number, since 2×442405351324² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442405351321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16440192 + ... + 16467079.

Almost surely, 2^442405351324 is an apocalyptic number.

It is an amenable number.

442405351324 is a deficient number, since it is larger than the sum of its proper divisors (332034387924).

442405351324 is a wasteful number, since it uses less digits than its factorization.

442405351324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32910636 (or 32910634 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 442405351324 its reverse (423153504244), we get a palindrome (865558855568).

The spelling of 442405351324 in words is "four hundred forty-two billion, four hundred five million, three hundred fifty-one thousand, three hundred twenty-four".