8445249560 has 64 divisors (see below), whose sum is σ = 20833632000. Its totient is φ = 3055536000.

The previous prime is 8445249559. The next prime is 8445249563. The reversal of 8445249560 is 659425448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8445249563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39335 + ... + 135785.

It is an arithmetic number, because the mean of its divisors is an integer number (325525500).

Almost surely, 2^8445249560 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 8445249560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10416816000).

8445249560 is an abundant number, since it is smaller than the sum of its proper divisors (12388382440).

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

8445249560 is a wasteful number, since it uses less digits than its factorization.

8445249560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96672 (or 96668 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The square root of 8445249560 is about 91898.0389344626. The cubic root of 8445249560 is about 2036.4362970483.

The spelling of 8445249560 in words is "eight billion, four hundred forty-five million, two hundred forty-nine thousand, five hundred sixty".