42169155822 has 40 divisors (see below), whose sum is σ = 94635084456. Its totient is φ = 14034824208.

The previous prime is 42169155817. The next prime is 42169155827. The reversal of 42169155822 is 22855196124.

42169155822 is a `hidden beast` number, since 4 + 2 + 1 + 6 + 91 + 558 + 2 + 2 = 666.

42169155822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42169155817) and next prime (42169155827).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42169155827) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 93528 + ... + 305099.

Almost surely, 2^42169155822 is an apocalyptic number.

42169155822 is an abundant number, since it is smaller than the sum of its proper divisors (52465928634).

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

42169155822 is a wasteful number, since it uses less digits than its factorization.

42169155822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399294 (or 399285 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 42169155822 in words is "forty-two billion, one hundred sixty-nine million, one hundred fifty-five thousand, eight hundred twenty-two".