42472421724 has 24 divisors (see below), whose sum is σ = 99105679120. Its totient is φ = 14156993664.

The previous prime is 42472421701. The next prime is 42472421737. The reversal of 42472421724 is 42712427424.

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, 590082 + ... + 658134.

Almost surely, 2^42472421724 is an apocalyptic number.

It is an amenable number.

42472421724 is an abundant number, since it is smaller than the sum of its proper divisors (56633257396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42472421724 is a wasteful number, since it uses less digits than its factorization.

42472421724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120069 (or 120067 counting only the distinct ones).

The product of its digits is 200704, while the sum is 39.

The spelling of 42472421724 in words is "forty-two billion, four hundred seventy-two million, four hundred twenty-one thousand, seven hundred twenty-four".