8521012460 has 192 divisors, whose sum is σ = 19987430400. Its totient is φ = 3040128000.

The previous prime is 8521012453. The next prime is 8521012463. The reversal of 8521012460 is 642101258.

It is a super-3 number, since 3×8521012460³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (8521012463) 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, 84366410 + ... + 84366510.

It is an arithmetic number, because the mean of its divisors is an integer number (104101200).

Almost surely, 2^8521012460 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 8521012460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9993715200).

8521012460 is an abundant number, since it is smaller than the sum of its proper divisors (11466417940).

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

8521012460 is a wasteful number, since it uses less digits than its factorization.

8521012460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 8521012460 is about 92309.3302976465. The cubic root of 8521012460 is about 2042.5078458420.

The spelling of 8521012460 in words is "eight billion, five hundred twenty-one million, twelve thousand, four hundred sixty".