442418593407 has 8 divisors (see below), whose sum is σ = 674161666176. Its totient is φ = 252810624792.

The previous prime is 442418593373. The next prime is 442418593411. The reversal of 442418593407 is 704395814244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442418593407 - 2¹⁶ = 442418527871 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 442418593407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442418593307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10533776013 + ... + 10533776054.

It is an arithmetic number, because the mean of its divisors is an integer number (84270208272).

Almost surely, 2^442418593407 is an apocalyptic number.

442418593407 is a deficient number, since it is larger than the sum of its proper divisors (231743072769).

442418593407 is a wasteful number, since it uses less digits than its factorization.

442418593407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21067552077.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 442418593407 in words is "four hundred forty-two billion, four hundred eighteen million, five hundred ninety-three thousand, four hundred seven".