42442320430 has 16 divisors (see below), whose sum is σ = 76435733664. Its totient is φ = 16968137760.

The previous prime is 42442320409. The next prime is 42442320433. The reversal of 42442320430 is 3402324424.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442320433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1078506 + ... + 1117165.

It is an arithmetic number, because the mean of its divisors is an integer number (4777233354).

Almost surely, 2^42442320430 is an apocalyptic number.

42442320430 is a deficient number, since it is larger than the sum of its proper divisors (33993413234).

42442320430 is a wasteful number, since it uses less digits than its factorization.

42442320430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197611.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42442320430 its reverse (3402324424), we get a palindrome (45844644854).

The spelling of 42442320430 in words is "forty-two billion, four hundred forty-two million, three hundred twenty thousand, four hundred thirty".