42304423444 has 12 divisors (see below), whose sum is σ = 74573126964. Its totient is φ = 20997815744.

The previous prime is 42304423429. The next prime is 42304423453. The reversal of 42304423444 is 44432440324.

It can be written as a sum of positive squares in 2 ways, for example, as 35777722500 + 6526700944 = 189150^2 + 80788^2 .

It is a super-2 number, since 2×42304423444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38598379 + ... + 38599474.

It is an arithmetic number, because the mean of its divisors is an integer number (6214427247).

Almost surely, 2^42304423444 is an apocalyptic number.

It is an amenable number.

42304423444 is a deficient number, since it is larger than the sum of its proper divisors (32268703520).

42304423444 is a wasteful number, since it uses less digits than its factorization.

42304423444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77197994 (or 77197992 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 42304423444 its reverse (44432440324), we get a palindrome (86736863768).

The spelling of 42304423444 in words is "forty-two billion, three hundred four million, four hundred twenty-three thousand, four hundred forty-four".