42437664445 has 16 divisors (see below), whose sum is σ = 55559488320. Its totient is φ = 30861129600.

The previous prime is 42437664433. The next prime is 42437664449. The reversal of 42437664445 is 54446673424.

It is a happy number.

It is not a de Polignac number, because 42437664445 - 2⁵ = 42437664413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42437664449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 818041 + ... + 868369.

It is an arithmetic number, because the mean of its divisors is an integer number (3472468020).

Almost surely, 2^42437664445 is an apocalyptic number.

It is an amenable number.

42437664445 is a deficient number, since it is larger than the sum of its proper divisors (13121823875).

42437664445 is a wasteful number, since it uses less digits than its factorization.

42437664445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65676.

The product of its digits is 7741440, while the sum is 49.

The spelling of 42437664445 in words is "forty-two billion, four hundred thirty-seven million, six hundred sixty-four thousand, four hundred forty-five".