442304303540446 has 32 divisors (see below), whose sum is σ = 683334859576320. Its totient is φ = 214560207645696.

The previous prime is 442304303540443. The next prime is 442304303540453. The reversal of 442304303540446 is 644045303403244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442304303540396 and 442304303540405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442304303540441) 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, 1186771240 + ... + 1187143876.

It is an arithmetic number, because the mean of its divisors is an integer number (21354214361760).

Almost surely, 2^{442304303540446} is an apocalyptic number.

442304303540446 is a deficient number, since it is larger than the sum of its proper divisors (241030556035874).

442304303540446 is a wasteful number, since it uses less digits than its factorization.

442304303540446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418468.

The product of its (nonzero) digits is 6635520, while the sum is 46.

The spelling of 442304303540446 in words is "four hundred forty-two trillion, three hundred four billion, three hundred three million, five hundred forty thousand, four hundred forty-six".