421351255000 has 160 divisors (see below), whose sum is σ = 1077742512000. Its totient is φ = 153442944000.

The previous prime is 421351254991. The next prime is 421351255007. The reversal of 421351255000 is 552153124.

It is a self number, because there is not a number n which added to its sum of digits gives 421351255000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421351255007) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4700601 + ... + 4789399.

It is an arithmetic number, because the mean of its divisors is an integer number (6735890700).

Almost surely, 2^421351255000 is an apocalyptic number.

421351255000 is a gapful number since it is divisible by the number (40) 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 421351255000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538871256000).

421351255000 is an abundant number, since it is smaller than the sum of its proper divisors (656391257000).

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

421351255000 is a wasteful number, since it uses less digits than its factorization.

421351255000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88911 (or 88892 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 421351255000 in words is "four hundred twenty-one billion, three hundred fifty-one million, two hundred fifty-five thousand".