421315367648 has 24 divisors (see below), whose sum is σ = 947959577712. Its totient is φ = 180563728896.

The previous prime is 421315367621. The next prime is 421315367731. The reversal of 421315367648 is 846763513124.

It is a junction number, because it is equal to n+sod(n) for n = 421315367596 and 421315367605.

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, 940435865 + ... + 940436312.

It is an arithmetic number, because the mean of its divisors is an integer number (39498315738).

Almost surely, 2^421315367648 is an apocalyptic number.

It is an amenable number.

421315367648 is an abundant number, since it is smaller than the sum of its proper divisors (526644210064).

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

421315367648 is a wasteful number, since it uses less digits than its factorization.

421315367648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880872194 (or 1880872186 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The spelling of 421315367648 in words is "four hundred twenty-one billion, three hundred fifteen million, three hundred sixty-seven thousand, six hundred forty-eight".