8648390520 has 256 divisors, whose sum is σ = 35941708800. Its totient is φ = 1797050880.

The previous prime is 8648390483. The next prime is 8648390521. The reversal of 8648390520 is 250938468.

8648390520 is a `hidden beast` number, since 86 + 48 + 3 + 9 + 0 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8648390521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31162 + ... + 135158.

It is an arithmetic number, because the mean of its divisors is an integer number (140397300).

Almost surely, 2^8648390520 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 8648390520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17970854400).

8648390520 is an abundant number, since it is smaller than the sum of its proper divisors (27293318280).

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

8648390520 is a wasteful number, since it uses less digits than its factorization.

8648390520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104035 (or 104025 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 8648390520 is about 92996.7231680773. The cubic root of 8648390520 is about 2052.6351612644.

The spelling of 8648390520 in words is "eight billion, six hundred forty-eight million, three hundred ninety thousand, five hundred twenty".