421251083352 has 192 divisors, whose sum is σ = 1292301628800. Its totient is φ = 127045195200.

The previous prime is 421251083317. The next prime is 421251083387. The reversal of 421251083352 is 253380152124.

421251083352 is a `hidden beast` number, since 4 + 2 + 12 + 510 + 83 + 3 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (421251083317) and next prime (421251083387).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5476503 + ... + 5552889.

It is an arithmetic number, because the mean of its divisors is an integer number (6730737650).

Almost surely, 2^421251083352 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 421251083352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646150814400).

421251083352 is an abundant number, since it is smaller than the sum of its proper divisors (871050545448).

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

421251083352 is a wasteful number, since it uses less digits than its factorization.

421251083352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76635 (or 76614 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 421251083352 in words is "four hundred twenty-one billion, two hundred fifty-one million, eighty-three thousand, three hundred fifty-two".