4821217408 has 192 divisors, whose sum is σ = 11972188800. Its totient is φ = 1921425408.

The previous prime is 4821217397. The next prime is 4821217421. The reversal of 4821217408 is 8047121284.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10982053 + ... + 10982491.

It is an arithmetic number, because the mean of its divisors is an integer number (62355150).

Almost surely, 2^4821217408 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 4821217408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5986094400).

4821217408 is an abundant number, since it is smaller than the sum of its proper divisors (7150971392).

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

4821217408 is a wasteful number, since it uses less digits than its factorization.

4821217408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 568 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

The square root of 4821217408 is about 69434.9869158193. The cubic root of 4821217408 is about 1689.3471572454.

The spelling of 4821217408 in words is "four billion, eight hundred twenty-one million, two hundred seventeen thousand, four hundred eight".