442036430 has 32 divisors (see below), whose sum is σ = 884387808. Its totient is φ = 157705600.

The previous prime is 442036411. The next prime is 442036433. The reversal of 442036430 is 34630244.

It is a self number, because there is not a number n which added to its sum of digits gives 442036430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442036433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32081 + ... + 43740.

It is an arithmetic number, because the mean of its divisors is an integer number (27637119).

Almost surely, 2^442036430 is an apocalyptic number.

442036430 is an abundant number, since it is smaller than the sum of its proper divisors (442351378).

442036430 is a wasteful number, since it uses less digits than its factorization.

442036430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75892.

The product of its (nonzero) digits is 6912, while the sum is 26.

The square root of 442036430 is about 21024.6624229736. The cubic root of 442036430 is about 761.7620875100.

Adding to 442036430 its reverse (34630244), we get a palindrome (476666674).

The spelling of 442036430 in words is "four hundred forty-two million, thirty-six thousand, four hundred thirty".