42723441808 has 40 divisors (see below), whose sum is σ = 83791735200. Its totient is φ = 21100257024.

The previous prime is 42723441797. The next prime is 42723441809. The reversal of 42723441808 is 80814432724.

42723441808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42723441809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436335 + ... + 1465777.

It is an arithmetic number, because the mean of its divisors is an integer number (2094793380).

Almost surely, 2^42723441808 is an apocalyptic number.

It is an amenable number.

42723441808 is a deficient number, since it is larger than the sum of its proper divisors (41068293392).

42723441808 is a wasteful number, since it uses less digits than its factorization.

42723441808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30559 (or 30553 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 43.

The spelling of 42723441808 in words is "forty-two billion, seven hundred twenty-three million, four hundred forty-one thousand, eight hundred eight".