442033023430 has 32 divisors (see below), whose sum is σ = 838620021600. Its totient is φ = 167290497792.

The previous prime is 442033023359. The next prime is 442033023491. The reversal of 442033023430 is 34320330244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357975 + ... + 1651714.

It is an arithmetic number, because the mean of its divisors is an integer number (26206875675).

Almost surely, 2^442033023430 is an apocalyptic number.

442033023430 is a deficient number, since it is larger than the sum of its proper divisors (396586998170).

442033023430 is a wasteful number, since it uses less digits than its factorization.

442033023430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010488.

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 442033023430 its reverse (34320330244), we get a palindrome (476353353674).

The spelling of 442033023430 in words is "four hundred forty-two billion, thirty-three million, twenty-three thousand, four hundred thirty".