421112688768 has 48 divisors (see below), whose sum is σ = 1211795631150. Its totient is φ = 140370895872.

The previous prime is 421112688757. The next prime is 421112688803. The reversal of 421112688768 is 867886211124.

It can be written as a sum of positive squares in only one way, i.e., 282675115584 + 138437573184 = 531672^2 + 372072^2 .

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182773453 + ... + 182775756.

Almost surely, 2^421112688768 is an apocalyptic number.

421112688768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

421112688768 is an abundant number, since it is smaller than the sum of its proper divisors (790682942382).

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

421112688768 is a wasteful number, since it uses less digits than its factorization.

421112688768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365549229 (or 365549214 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The spelling of 421112688768 in words is "four hundred twenty-one billion, one hundred twelve million, six hundred eighty-eight thousand, seven hundred sixty-eight".