42421304332 has 144 divisors (see below), whose sum is σ = 90029040640. Its totient is φ = 17406576000.

The previous prime is 42421304311. The next prime is 42421304339. The reversal of 42421304332 is 23340312424.

It is a super-2 number, since 2×42421304332² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42421304332.

It is not an unprimeable number, because it can be changed into a prime (42421304339) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19098982 + ... + 19101202.

Almost surely, 2^42421304332 is an apocalyptic number.

It is an amenable number.

42421304332 is an abundant number, since it is smaller than the sum of its proper divisors (47607736308).

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

42421304332 is a wasteful number, since it uses less digits than its factorization.

42421304332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2364 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 42421304332 its reverse (23340312424), we get a palindrome (65761616756).

The spelling of 42421304332 in words is "forty-two billion, four hundred twenty-one million, three hundred four thousand, three hundred thirty-two".