42421530532 has 24 divisors (see below), whose sum is σ = 75990055680. Its totient is φ = 20712144000.

The previous prime is 42421530517. The next prime is 42421530551. The reversal of 42421530532 is 23503512424.

It is a junction number, because it is equal to n+sod(n) for n = 42421530494 and 42421530503.

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, 174469 + ... + 339532.

It is an arithmetic number, because the mean of its divisors is an integer number (3166252320).

Almost surely, 2^42421530532 is an apocalyptic number.

It is an amenable number.

42421530532 is a deficient number, since it is larger than the sum of its proper divisors (33568525148).

42421530532 is a wasteful number, since it uses less digits than its factorization.

42421530532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514491 (or 514489 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 42421530532 in words is "forty-two billion, four hundred twenty-one million, five hundred thirty thousand, five hundred thirty-two".