442140134104455 has 32 divisors (see below), whose sum is σ = 749221038028800. Its totient is φ = 221882598308352.

The previous prime is 442140134104397. The next prime is 442140134104469. The reversal of 442140134104455 is 554401431041244.

It is not a de Polignac number, because 442140134104455 - 2¹² = 442140134100359 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 211497595 + ... + 213577884.

It is an arithmetic number, because the mean of its divisors is an integer number (23413157438400).

Almost surely, 2^{442140134104455} is an apocalyptic number.

442140134104455 is a deficient number, since it is larger than the sum of its proper divisors (307080903924345).

442140134104455 is a wasteful number, since it uses less digits than its factorization.

442140134104455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425079583.

The product of its (nonzero) digits is 614400, while the sum is 42.

Adding to 442140134104455 its reverse (554401431041244), we get a palindrome (996541565145699).

The spelling of 442140134104455 in words is "four hundred forty-two trillion, one hundred forty billion, one hundred thirty-four million, one hundred four thousand, four hundred fifty-five".