42320445602 has 16 divisors (see below), whose sum is σ = 66272228352. Its totient is φ = 20230578720.

The previous prime is 42320445589. The next prime is 42320445623. The reversal of 42320445602 is 20654402324.

It is a happy number.

42320445602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42320445602² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120803 + ... + 315014.

It is an arithmetic number, because the mean of its divisors is an integer number (4142014272).

Almost surely, 2^42320445602 is an apocalyptic number.

42320445602 is a deficient number, since it is larger than the sum of its proper divisors (23951782750).

42320445602 is a wasteful number, since it uses less digits than its factorization.

42320445602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437953.

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 42320445602 its reverse (20654402324), we get a palindrome (62974847926).

The spelling of 42320445602 in words is "forty-two billion, three hundred twenty million, four hundred forty-five thousand, six hundred two".