42306336645 has 16 divisors (see below), whose sum is σ = 67693475520. Its totient is φ = 22562267264.

The previous prime is 42306336641. The next prime is 42306336659. The reversal of 42306336645 is 54663360324.

It is a cyclic number.

It is not a de Polignac number, because 42306336645 - 2² = 42306336641 is a prime.

It is a super-2 number, since 2×42306336645² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42306336597 and 42306336606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42306336641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312697 + ... + 427073.

It is an arithmetic number, because the mean of its divisors is an integer number (4230842220).

Almost surely, 2^42306336645 is an apocalyptic number.

It is an amenable number.

42306336645 is a deficient number, since it is larger than the sum of its proper divisors (25387138875).

42306336645 is a wasteful number, since it uses less digits than its factorization.

42306336645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139044.

The product of its (nonzero) digits is 933120, while the sum is 42.

Adding to 42306336645 its reverse (54663360324), we get a palindrome (96969696969).

The spelling of 42306336645 in words is "forty-two billion, three hundred six million, three hundred thirty-six thousand, six hundred forty-five".