42403042322 has 4 divisors (see below), whose sum is σ = 63604563486. Its totient is φ = 21201521160.

The previous prime is 42403042307. The next prime is 42403042393. The reversal of 42403042322 is 22324030424.

It is a happy number.

42403042322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33900542641 + 8502499681 = 184121^2 + 92209^2 .

It is a super-2 number, since 2×42403042322² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42403042291 and 42403042300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10600760579 + ... + 10600760582.

Almost surely, 2^42403042322 is an apocalyptic number.

42403042322 is a deficient number, since it is larger than the sum of its proper divisors (21201521164).

42403042322 is a wasteful number, since it uses less digits than its factorization.

42403042322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21201521163.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 42403042322 its reverse (22324030424), we get a palindrome (64727072746).

The spelling of 42403042322 in words is "forty-two billion, four hundred three million, forty-two thousand, three hundred twenty-two".