442696515841 has 8 divisors (see below), whose sum is σ = 443412572904. Its totient is φ = 441980576640.

The previous prime is 442696515817. The next prime is 442696515893. The reversal of 442696515841 is 148515696244.

It can be written as a sum of positive squares in 4 ways, for example, as 122797680625 + 319898835216 = 350425^2 + 565596^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442696515841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442696515941) 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, 10464111 + ... + 10506331.

It is an arithmetic number, because the mean of its divisors is an integer number (55426571613).

Almost surely, 2^442696515841 is an apocalyptic number.

It is an amenable number.

442696515841 is a deficient number, since it is larger than the sum of its proper divisors (716057063).

442696515841 is a wasteful number, since it uses less digits than its factorization.

442696515841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58931.

The product of its digits is 8294400, while the sum is 55.

The spelling of 442696515841 in words is "four hundred forty-two billion, six hundred ninety-six million, five hundred fifteen thousand, eight hundred forty-one".