421650869248 has 88 divisors (see below), whose sum is σ = 965399982624. Its totient is φ = 180314112000.

The previous prime is 421650869207. The next prime is 421650869257. The reversal of 421650869248 is 842968056124.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3240648 + ... + 3368248.

It is an arithmetic number, because the mean of its divisors is an integer number (10970454348).

Almost surely, 2^421650869248 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 421650869248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482699991312).

421650869248 is an abundant number, since it is smaller than the sum of its proper divisors (543749113376).

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

421650869248 is a wasteful number, since it uses less digits than its factorization.

421650869248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128089 (or 128071 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 421650869248 in words is "four hundred twenty-one billion, six hundred fifty million, eight hundred sixty-nine thousand, two hundred forty-eight".