42170858424 has 24 divisors (see below), whose sum is σ = 114212741760. Its totient is φ = 14056952784.

The previous prime is 42170858423. The next prime is 42170858453. The reversal of 42170858424 is 42485807124.

42170858424 is a `hidden beast` number, since 4 + 2 + 170 + 8 + 58 + 424 = 666.

42170858424 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 (24).

It is a self number, because there is not a number n which added to its sum of digits gives 42170858424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42170858423) 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, 292853112 + ... + 292853255.

It is an arithmetic number, because the mean of its divisors is an integer number (4758864240).

Almost surely, 2^42170858424 is an apocalyptic number.

It is an amenable number.

42170858424 is an abundant number, since it is smaller than the sum of its proper divisors (72041883336).

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

42170858424 is a wasteful number, since it uses less digits than its factorization.

42170858424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585706379 (or 585706372 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 45.

The spelling of 42170858424 in words is "forty-two billion, one hundred seventy million, eight hundred fifty-eight thousand, four hundred twenty-four".