442430420001 has 24 divisors (see below), whose sum is σ = 621559582560. Its totient is φ = 279157881600.

The previous prime is 442430419979. The next prime is 442430420027. The reversal of 442430420001 is 100024034244.

It is a happy number.

It is not a de Polignac number, because 442430420001 - 2¹³ = 442430411809 is a prime.

It is a super-2 number, since 2×442430420001² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442430420051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184884061 + ... + 184886453.

It is an arithmetic number, because the mean of its divisors is an integer number (25898315940).

Almost surely, 2^442430420001 is an apocalyptic number.

It is an amenable number.

442430420001 is a deficient number, since it is larger than the sum of its proper divisors (179129162559).

442430420001 is an equidigital number, since it uses as much as digits as its factorization.

442430420001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017 (or 4216 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 442430420001 its reverse (100024034244), we get a palindrome (542454454245).

The spelling of 442430420001 in words is "four hundred forty-two billion, four hundred thirty million, four hundred twenty thousand, one".