8468421504 has 64 divisors (see below), whose sum is σ = 22521367440. Its totient is φ = 2819403776.

The previous prime is 8468421503. The next prime is 8468421529. The reversal of 8468421504 is 4051248648.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8468421503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316222 + ... + 341954.

Almost surely, 2^8468421504 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 8468421504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11260683720).

8468421504 is an abundant number, since it is smaller than the sum of its proper divisors (14052945936).

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

8468421504 is a wasteful number, since it uses less digits than its factorization.

8468421504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26607 (or 26595 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 42.

The square root of 8468421504 is about 92024.0267756199. The cubic root of 8468421504 is about 2038.2971102426.

The spelling of 8468421504 in words is "eight billion, four hundred sixty-eight million, four hundred twenty-one thousand, five hundred four".