42086040931 has 8 divisors (see below), whose sum is σ = 45933395184. Its totient is φ = 38242245120.

The previous prime is 42086040911. The next prime is 42086040937. The reversal of 42086040931 is 13904068024.

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 42086040931 - 2³³ = 33496106339 is a prime.

It is a super-2 number, since 2×42086040931² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42086040937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 864846 + ... + 912211.

It is an arithmetic number, because the mean of its divisors is an integer number (5741674398).

Almost surely, 2^42086040931 is an apocalyptic number.

42086040931 is a deficient number, since it is larger than the sum of its proper divisors (3847354253).

42086040931 is a wasteful number, since it uses less digits than its factorization.

42086040931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779221.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 42086040931 in words is "forty-two billion, eighty-six million, forty thousand, nine hundred thirty-one".