42545616326 has 32 divisors (see below), whose sum is σ = 65418516000. Its totient is φ = 20746540800.

The previous prime is 42545616271. The next prime is 42545616329. The reversal of 42545616326 is 62361654524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42545616329) 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, 15762125 + ... + 15764823.

It is an arithmetic number, because the mean of its divisors is an integer number (2044328625).

Almost surely, 2^42545616326 is an apocalyptic number.

42545616326 is a deficient number, since it is larger than the sum of its proper divisors (22872899674).

42545616326 is a wasteful number, since it uses less digits than its factorization.

42545616326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944.

The product of its digits is 1036800, while the sum is 44.

The spelling of 42545616326 in words is "forty-two billion, five hundred forty-five million, six hundred sixteen thousand, three hundred twenty-six".