442435430 has 16 divisors (see below), whose sum is σ = 804595680. Its totient is φ = 175149312.

The previous prime is 442435391. The next prime is 442435439. The reversal of 442435430 is 34534244.

It is a junction number, because it is equal to n+sod(n) for n = 442435393 and 442435402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442435439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227090 + ... + 229029.

It is an arithmetic number, because the mean of its divisors is an integer number (50287230).

Almost surely, 2^442435430 is an apocalyptic number.

442435430 is a deficient number, since it is larger than the sum of its proper divisors (362160250).

442435430 is a wasteful number, since it uses less digits than its factorization.

442435430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456223.

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 442435430 is about 21034.1491389597. The cubic root of 442435430 is about 761.9912176960.

Adding to 442435430 its reverse (34534244), we get a palindrome (476969674).

The spelling of 442435430 in words is "four hundred forty-two million, four hundred thirty-five thousand, four hundred thirty".