42405005545 has 8 divisors (see below), whose sum is σ = 58155436224. Its totient is φ = 29077718064.

The previous prime is 42405005527. The next prime is 42405005557. The reversal of 42405005545 is 54550050424.

42405005545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42405005545 - 2¹¹ = 42405003497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42405005545.

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, 605785759 + ... + 605785828.

It is an arithmetic number, because the mean of its divisors is an integer number (7269429528).

Almost surely, 2^42405005545 is an apocalyptic number.

It is an amenable number.

42405005545 is a deficient number, since it is larger than the sum of its proper divisors (15750430679).

42405005545 is a wasteful number, since it uses less digits than its factorization.

42405005545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211571599.

The product of its (nonzero) digits is 80000, while the sum is 34.

Adding to 42405005545 its reverse (54550050424), we get a palindrome (96955055969).

The spelling of 42405005545 in words is "forty-two billion, four hundred five million, five thousand, five hundred forty-five".