421876371312 has 480 divisors, whose sum is σ = 1381974048000. Its totient is φ = 118727516160.

The previous prime is 421876371281. The next prime is 421876371347. The reversal of 421876371312 is 213173678124.

421876371312 is a `hidden beast` number, since 4 + 2 + 1 + 8 + 7 + 637 + 1 + 3 + 1 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1006864639 + ... + 1006865057.

It is an arithmetic number, because the mean of its divisors is an integer number (2879112600).

Almost surely, 2^421876371312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421876371312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690987024000).

421876371312 is an abundant number, since it is smaller than the sum of its proper divisors (960097676688).

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

421876371312 is a wasteful number, since it uses less digits than its factorization.

421876371312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869 (or 860 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The spelling of 421876371312 in words is "four hundred twenty-one billion, eight hundred seventy-six million, three hundred seventy-one thousand, three hundred twelve".