42941221584 has 80 divisors (see below), whose sum is σ = 113087565504. Its totient is φ = 14035840000.

The previous prime is 42941221577. The next prime is 42941221619. The reversal of 42941221584 is 48512214924.

It is a super-2 number, since 2×42941221584² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6130084 + ... + 6137084.

Almost surely, 2^42941221584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42941221584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56543782752).

42941221584 is an abundant number, since it is smaller than the sum of its proper divisors (70146343920).

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

42941221584 is a wasteful number, since it uses less digits than its factorization.

42941221584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9476 (or 9470 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The spelling of 42941221584 in words is "forty-two billion, nine hundred forty-one million, two hundred twenty-one thousand, five hundred eighty-four".