442406233230351 has 16 divisors (see below), whose sum is σ = 636286272816096. Its totient is φ = 271805862439296.

The previous prime is 442406233230329. The next prime is 442406233230383. The reversal of 442406233230351 is 153032332604244.

It is not a de Polignac number, because 442406233230351 - 2¹⁰ = 442406233229327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442406233238351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9252626640 + ... + 9252674453.

It is an arithmetic number, because the mean of its divisors is an integer number (39767892051006).

Almost surely, 2^{442406233230351} is an apocalyptic number.

442406233230351 is a deficient number, since it is larger than the sum of its proper divisors (193880039585745).

442406233230351 is a wasteful number, since it uses less digits than its factorization.

442406233230351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18505301722.

The product of its (nonzero) digits is 1244160, while the sum is 42.

Adding to 442406233230351 its reverse (153032332604244), we get a palindrome (595438565834595).

The spelling of 442406233230351 in words is "four hundred forty-two trillion, four hundred six billion, two hundred thirty-three million, two hundred thirty thousand, three hundred fifty-one".