42156363066 has 32 divisors (see below), whose sum is σ = 84647185920. Its totient is φ = 13996466736.

The previous prime is 42156363043. The next prime is 42156363077. The reversal of 42156363066 is 66036365124.

It is a happy number.

42156363066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2002825 + ... + 2023763.

It is an arithmetic number, because the mean of its divisors is an integer number (2645224560).

Almost surely, 2^42156363066 is an apocalyptic number.

42156363066 is an abundant number, since it is smaller than the sum of its proper divisors (42490822854).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42156363066 is a wasteful number, since it uses less digits than its factorization.

42156363066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22258.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 42156363066 in words is "forty-two billion, one hundred fifty-six million, three hundred sixty-three thousand, sixty-six".