42090818608 has 10 divisors (see below), whose sum is σ = 81550961084. Its totient is φ = 21045409296.

The previous prime is 42090818543. The next prime is 42090818611. The reversal of 42090818608 is 80681809024.

42090818608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42090818608² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1315338066 + ... + 1315338097.

Almost surely, 2^42090818608 is an apocalyptic number.

It is an amenable number.

42090818608 is a deficient number, since it is larger than the sum of its proper divisors (39460142476).

42090818608 is a wasteful number, since it uses less digits than its factorization.

42090818608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2630676171 (or 2630676165 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 42090818608 in words is "forty-two billion, ninety million, eight hundred eighteen thousand, six hundred eight".