8563650432 has 128 divisors (see below), whose sum is σ = 23364650400. Its totient is φ = 2778071040.

The previous prime is 8563650427. The next prime is 8563650457. The reversal of 8563650432 is 2340563658.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×8563650432² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2270244 + ... + 2274012.

Almost surely, 2^8563650432 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 8563650432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11682325200).

8563650432 is an abundant number, since it is smaller than the sum of its proper divisors (14800999968).

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

8563650432 is a wasteful number, since it uses less digits than its factorization.

8563650432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944 (or 3932 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 8563650432 is about 92539.9936892153. The cubic root of 8563650432 is about 2045.9089884401.

The spelling of 8563650432 in words is "eight billion, five hundred sixty-three million, six hundred fifty thousand, four hundred thirty-two".