4427215650 has 768 divisors, whose sum is σ = 16198963200. Its totient is φ = 870912000.

The previous prime is 4427215621. The next prime is 4427215687. The reversal of 4427215650 is 565127244.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 62355115 + ... + 62355185.

It is an arithmetic number, because the mean of its divisors is an integer number (21092400).

Almost surely, 2^4427215650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4427215650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8099481600).

4427215650 is an abundant number, since it is smaller than the sum of its proper divisors (11771747550).

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

4427215650 is a wasteful number, since it uses less digits than its factorization.

4427215650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 4427215650 is about 66537.3252392971. The cubic root of 4427215650 is about 1642.0141387313.

The spelling of 4427215650 in words is "four billion, four hundred twenty-seven million, two hundred fifteen thousand, six hundred fifty".