42421766424 has 32 divisors (see below), whose sum is σ = 107507220720. Its totient is φ = 13946881536.

The previous prime is 42421766417. The next prime is 42421766441. The reversal of 42421766424 is 42466712424.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12104917 + ... + 12108420.

Almost surely, 2^42421766424 is an apocalyptic number.

It is an amenable number.

42421766424 is an abundant number, since it is smaller than the sum of its proper divisors (65085454296).

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

42421766424 is a wasteful number, since it uses less digits than its factorization.

42421766424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24213419 (or 24213415 counting only the distinct ones).

The product of its digits is 516096, while the sum is 42.

The spelling of 42421766424 in words is "forty-two billion, four hundred twenty-one million, seven hundred sixty-six thousand, four hundred twenty-four".