442030215 has 64 divisors (see below), whose sum is σ = 809948160. Its totient is φ = 203765760.

The previous prime is 442030177. The next prime is 442030223. The reversal of 442030215 is 512030244.

It is not a de Polignac number, because 442030215 - 2⁹ = 442029703 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442030191 and 442030200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1020639 + ... + 1021071.

It is an arithmetic number, because the mean of its divisors is an integer number (12655440).

Almost surely, 2^442030215 is an apocalyptic number.

442030215 is a deficient number, since it is larger than the sum of its proper divisors (367917945).

442030215 is a wasteful number, since it uses less digits than its factorization.

442030215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 442030215 is about 21024.5146198432. The cubic root of 442030215 is about 761.7585173868.

Adding to 442030215 its reverse (512030244), we get a palindrome (954060459).

The spelling of 442030215 in words is "four hundred forty-two million, thirty thousand, two hundred fifteen".