42443302432 has 24 divisors (see below), whose sum is σ = 84737161152. Its totient is φ = 20922753600.

The previous prime is 42443302393. The next prime is 42443302441. The reversal of 42443302432 is 23420334424.

It is a happy number.

It is a super-2 number, since 2×42443302432² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42443302394 and 42443302403.

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, 9338244 + ... + 9342787.

It is an arithmetic number, because the mean of its divisors is an integer number (3530715048).

Almost surely, 2^42443302432 is an apocalyptic number.

It is an amenable number.

42443302432 is a deficient number, since it is larger than the sum of its proper divisors (42293858720).

42443302432 is a wasteful number, since it uses less digits than its factorization.

42443302432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18681112 (or 18681104 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 42443302432 its reverse (23420334424), we get a palindrome (65863636856).

The spelling of 42443302432 in words is "forty-two billion, four hundred forty-three million, three hundred two thousand, four hundred thirty-two".