421382759808 has 256 divisors, whose sum is σ = 1170004953600. Its totient is φ = 134262374400.

The previous prime is 421382759803. The next prime is 421382759813. The reversal of 421382759808 is 808957283124.

It is an interprime number because it is at equal distance from previous prime (421382759803) and next prime (421382759813).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421382759803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193382463 + ... + 193384641.

It is an arithmetic number, because the mean of its divisors is an integer number (4570331850).

Almost surely, 2^421382759808 is an apocalyptic number.

421382759808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421382759808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (585002476800).

421382759808 is an abundant number, since it is smaller than the sum of its proper divisors (748622193792).

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

421382759808 is a wasteful number, since it uses less digits than its factorization.

421382759808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481 (or 2469 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 421382759808 in words is "four hundred twenty-one billion, three hundred eighty-two million, seven hundred fifty-nine thousand, eight hundred eight".