442420100030 has 64 divisors (see below), whose sum is σ = 837949224960. Its totient is φ = 167977776000.

The previous prime is 442420100011. The next prime is 442420100047. The reversal of 442420100030 is 30001024244.

It is a junction number, because it is equal to n+sod(n) for n = 442420099975 and 442420100011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3284141 + ... + 3416199.

It is an arithmetic number, because the mean of its divisors is an integer number (13092956640).

Almost surely, 2^442420100030 is an apocalyptic number.

442420100030 is a deficient number, since it is larger than the sum of its proper divisors (395529124930).

442420100030 is a wasteful number, since it uses less digits than its factorization.

442420100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132305.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 442420100030 its reverse (30001024244), we get a palindrome (472421124274).

The spelling of 442420100030 in words is "four hundred forty-two billion, four hundred twenty million, one hundred thousand, thirty".