421056072046500 has 384 divisors, whose sum is σ = 1369633446365184. Its totient is φ = 99631425600000.

The previous prime is 421056072046499. The next prime is 421056072046529. The reversal of 421056072046500 is 5640270650124.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1029280002 + ... + 1029688998.

It is an arithmetic number, because the mean of its divisors is an integer number (3566753766576).

Almost surely, 2^{421056072046500} 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 421056072046500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (684816723182592).

421056072046500 is an abundant number, since it is smaller than the sum of its proper divisors (948577374318684).

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

421056072046500 is a wasteful number, since it uses less digits than its factorization.

421056072046500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410524 (or 410512 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 421056072046500 in words is "four hundred twenty-one trillion, fifty-six billion, seventy-two million, forty-six thousand, five hundred".