42800858172 has 36 divisors (see below), whose sum is σ = 108667691496. Its totient is φ = 14204100000.

The previous prime is 42800858153. The next prime is 42800858207. The reversal of 42800858172 is 27185800824.

It is a happy number.

42800858172 is a `hidden beast` number, since 428 + 0 + 0 + 8 + 58 + 172 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2610579 + ... + 2626922.

It is an arithmetic number, because the mean of its divisors is an integer number (3018546986).

Almost surely, 2^42800858172 is an apocalyptic number.

It is an amenable number.

42800858172 is an abundant number, since it is smaller than the sum of its proper divisors (65866833324).

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

42800858172 is a wasteful number, since it uses less digits than its factorization.

42800858172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237738 (or 5237733 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The spelling of 42800858172 in words is "forty-two billion, eight hundred million, eight hundred fifty-eight thousand, one hundred seventy-two".