42025560631 has 6 divisors (see below), whose sum is σ = 43192086000. Its totient is φ = 40889733336.

The previous prime is 42025560623. The next prime is 42025560641. The reversal of 42025560631 is 13606552024.

It is not a de Polignac number, because 42025560631 - 2³ = 42025560623 is a prime.

It is a super-2 number, since 2×42025560631² (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 (42025560611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15347631 + ... + 15350368.

It is an arithmetic number, because the mean of its divisors is an integer number (7198681000).

Almost surely, 2^42025560631 is an apocalyptic number.

42025560631 is a deficient number, since it is larger than the sum of its proper divisors (1166525369).

42025560631 is an equidigital number, since it uses as much as digits as its factorization.

42025560631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30698073 (or 30698036 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 42025560631 in words is "forty-two billion, twenty-five million, five hundred sixty thousand, six hundred thirty-one".