42722688990808 has 32 divisors (see below), whose sum is σ = 82690196060160. Its totient is φ = 20671988718240.

The previous prime is 42722688990799. The next prime is 42722688990811. The reversal of 42722688990808 is 80809988622724.

42722688990808 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 17789041 + ... + 20047327.

It is an arithmetic number, because the mean of its divisors is an integer number (2584068626880).

Almost surely, 2^{42722688990808} is an apocalyptic number.

It is an amenable number.

42722688990808 is a deficient number, since it is larger than the sum of its proper divisors (39967507069352).

42722688990808 is a wasteful number, since it uses less digits than its factorization.

42722688990808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334607 (or 2334603 counting only the distinct ones).

The product of its (nonzero) digits is 445906944, while the sum is 73.

The spelling of 42722688990808 in words is "forty-two trillion, seven hundred twenty-two billion, six hundred eighty-eight million, nine hundred ninety thousand, eight hundred eight".