42005788831 has 8 divisors (see below), whose sum is σ = 42162097824. Its totient is φ = 41849568480.

The previous prime is 42005788817. The next prime is 42005788841. The reversal of 42005788831 is 13888750024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42005788831 - 2³³ = 33415854239 is a prime.

It is a super-2 number, since 2×42005788831² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42005788841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1017270 + ... + 1057756.

It is an arithmetic number, because the mean of its divisors is an integer number (5270262228).

Almost surely, 2^42005788831 is an apocalyptic number.

42005788831 is a deficient number, since it is larger than the sum of its proper divisors (156308993).

42005788831 is a wasteful number, since it uses less digits than its factorization.

42005788831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44321.

The product of its (nonzero) digits is 430080, while the sum is 46.

The spelling of 42005788831 in words is "forty-two billion, five million, seven hundred eighty-eight thousand, eight hundred thirty-one".