42168113388 has 18 divisors (see below), whose sum is σ = 106591620044. Its totient is φ = 14056037784.

The previous prime is 42168113387. The next prime is 42168113401. The reversal of 42168113388 is 88331186124.

42168113388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (42168113387) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 585668206 + ... + 585668277.

Almost surely, 2^42168113388 is an apocalyptic number.

It is an amenable number.

42168113388 is an abundant number, since it is smaller than the sum of its proper divisors (64423506656).

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

42168113388 is a wasteful number, since it uses less digits than its factorization.

42168113388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171336493 (or 1171336488 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The spelling of 42168113388 in words is "forty-two billion, one hundred sixty-eight million, one hundred thirteen thousand, three hundred eighty-eight".