421332755888 has 40 divisors (see below), whose sum is σ = 895691953296. Its totient is φ = 190407852800.

The previous prime is 421332755863. The next prime is 421332755911. The reversal of 421332755888 is 888557233124.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6888443 + ... + 6949338.

Almost surely, 2^421332755888 is an apocalyptic number.

It is an amenable number.

421332755888 is an abundant number, since it is smaller than the sum of its proper divisors (474359197408).

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

421332755888 is a wasteful number, since it uses less digits than its factorization.

421332755888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13837973 (or 13837967 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 56.

The spelling of 421332755888 in words is "four hundred twenty-one billion, three hundred thirty-two million, seven hundred fifty-five thousand, eight hundred eighty-eight".