442604445 has 16 divisors (see below), whose sum is σ = 708666432. Its totient is φ = 235889280.

The previous prime is 442604443. The next prime is 442604447. The reversal of 442604445 is 544406244.

It is an interprime number because it is at equal distance from previous prime (442604443) and next prime (442604447).

It is not a de Polignac number, because 442604445 - 2¹ = 442604443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442604443) 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, 13329 + ... + 32601.

It is an arithmetic number, because the mean of its divisors is an integer number (44291652).

Almost surely, 2^442604445 is an apocalyptic number.

It is an amenable number.

442604445 is a deficient number, since it is larger than the sum of its proper divisors (266061987).

442604445 is a wasteful number, since it uses less digits than its factorization.

442604445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20812.

The product of its (nonzero) digits is 61440, while the sum is 33.

The square root of 442604445 is about 21038.1663887326. The cubic root of 442604445 is about 762.0882349035.

The spelling of 442604445 in words is "four hundred forty-two million, six hundred four thousand, four hundred forty-five".