442032430 has 48 divisors (see below), whose sum is σ = 928201680. Its totient is φ = 151122048.

The previous prime is 442032421. The next prime is 442032499. The reversal of 442032430 is 34230244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 204234 + ... + 206386.

It is an arithmetic number, because the mean of its divisors is an integer number (19337535).

Almost surely, 2^442032430 is an apocalyptic number.

442032430 is an abundant number, since it is smaller than the sum of its proper divisors (486169250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442032430 is a wasteful number, since it uses less digits than its factorization.

442032430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2593 (or 2586 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 442032430 is about 21024.5672963797. The cubic root of 442032430 is about 761.7597897676.

Adding to 442032430 its reverse (34230244), we get a palindrome (476262674).

The spelling of 442032430 in words is "four hundred forty-two million, thirty-two thousand, four hundred thirty".