42018023356 has 6 divisors (see below), whose sum is σ = 73531540880. Its totient is φ = 21009011676.

The previous prime is 42018023351. The next prime is 42018023413. The reversal of 42018023356 is 65332081024.

42018023356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42018023351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5252252916 + ... + 5252252923.

Almost surely, 2^42018023356 is an apocalyptic number.

It is an amenable number.

42018023356 is a deficient number, since it is larger than the sum of its proper divisors (31513517524).

42018023356 is a wasteful number, since it uses less digits than its factorization.

42018023356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10504505843 (or 10504505841 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 42018023356 in words is "forty-two billion, eighteen million, twenty-three thousand, three hundred fifty-six".