42231265624 has 32 divisors (see below), whose sum is σ = 80337608640. Its totient is φ = 20808403200.

The previous prime is 42231265619. The next prime is 42231265633. The reversal of 42231265624 is 42656213224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659089 + ... + 720319.

It is an arithmetic number, because the mean of its divisors is an integer number (2510550270).

Almost surely, 2^42231265624 is an apocalyptic number.

It is an amenable number.

42231265624 is a deficient number, since it is larger than the sum of its proper divisors (38106343016).

42231265624 is a wasteful number, since it uses less digits than its factorization.

42231265624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62491 (or 62487 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

Adding to 42231265624 its reverse (42656213224), we get a palindrome (84887478848).

The spelling of 42231265624 in words is "forty-two billion, two hundred thirty-one million, two hundred sixty-five thousand, six hundred twenty-four".