442415230 has 16 divisors (see below), whose sum is σ = 813291840. Its totient is φ = 173200672.

The previous prime is 442415219. The next prime is 442415269. The reversal of 442415230 is 32514244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442415195 and 442415204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470185 + ... + 471124.

It is an arithmetic number, because the mean of its divisors is an integer number (50830740).

Almost surely, 2^442415230 is an apocalyptic number.

442415230 is a deficient number, since it is larger than the sum of its proper divisors (370876610).

442415230 is a wasteful number, since it uses less digits than its factorization.

442415230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941363.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 442415230 is about 21033.6689619286. The cubic root of 442415230 is about 761.9796209327.

Adding to 442415230 its reverse (32514244), we get a palindrome (474929474).

The spelling of 442415230 in words is "four hundred forty-two million, four hundred fifteen thousand, two hundred thirty".