421685196288 has 40 divisors (see below), whose sum is σ = 1123395722328. Its totient is φ = 140561731584.

The previous prime is 421685196271. The next prime is 421685196311. The reversal of 421685196288 is 882691586124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137265781 + ... + 137268852.

Almost surely, 2^421685196288 is an apocalyptic number.

421685196288 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

421685196288 is an abundant number, since it is smaller than the sum of its proper divisors (701710526040).

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

421685196288 is an equidigital number, since it uses as much as digits as its factorization.

421685196288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274534654 (or 274534638 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 60.

The spelling of 421685196288 in words is "four hundred twenty-one billion, six hundred eighty-five million, one hundred ninety-six thousand, two hundred eighty-eight".