42662140631 has 4 divisors (see below), whose sum is σ = 46540517064. Its totient is φ = 38783764200.

The previous prime is 42662140627. The next prime is 42662140649. The reversal of 42662140631 is 13604126624.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42662140631 - 2² = 42662140627 is a prime.

It is a super-2 number, since 2×42662140631² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42662140591 and 42662140600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42662140621) 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 3 ways as a sum of consecutive naturals, for example, 1939188200 + ... + 1939188221.

It is an arithmetic number, because the mean of its divisors is an integer number (11635129266).

Almost surely, 2^42662140631 is an apocalyptic number.

42662140631 is a deficient number, since it is larger than the sum of its proper divisors (3878376433).

42662140631 is a wasteful number, since it uses less digits than its factorization.

42662140631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878376432.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 42662140631 in words is "forty-two billion, six hundred sixty-two million, one hundred forty thousand, six hundred thirty-one".