442442400220213 has 8 divisors (see below), whose sum is σ = 461679237877248. Its totient is φ = 423205580193264.

The previous prime is 442442400220211. The next prime is 442442400220229. The reversal of 442442400220213 is 312022004244244.

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

It is a cyclic number.

It is not a de Polignac number, because 442442400220213 - 2¹ = 442442400220211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442442400220211) 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, 88938556 + ... + 93781402.

It is an arithmetic number, because the mean of its divisors is an integer number (57709904734656).

Almost surely, 2^{442442400220213} is an apocalyptic number.

It is an amenable number.

442442400220213 is a deficient number, since it is larger than the sum of its proper divisors (19236837657035).

442442400220213 is a wasteful number, since it uses less digits than its factorization.

442442400220213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8815043.

The product of its (nonzero) digits is 98304, while the sum is 34.

Adding to 442442400220213 its reverse (312022004244244), we get a palindrome (754464404464457).

The spelling of 442442400220213 in words is "four hundred forty-two trillion, four hundred forty-two billion, four hundred million, two hundred twenty thousand, two hundred thirteen".