8415326464 has 72 divisors (see below), whose sum is σ = 17512992000. Its totient is φ = 4031232000.

The previous prime is 8415326399. The next prime is 8415326467. The reversal of 8415326464 is 4646235148.

It is a self number, because there is not a number n which added to its sum of digits gives 8415326464.

It is not an unprimeable number, because it can be changed into a prime (8415326467) 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, 796287 + ... + 806785.

It is an arithmetic number, because the mean of its divisors is an integer number (243236000).

Almost surely, 2^8415326464 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 8415326464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8756496000).

8415326464 is an abundant number, since it is smaller than the sum of its proper divisors (9097665536).

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

8415326464 is a wasteful number, since it uses less digits than its factorization.

8415326464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10647 (or 10633 counting only the distinct ones).

The product of its digits is 552960, while the sum is 43.

The square root of 8415326464 is about 91735.0885103405. The cubic root of 8415326464 is about 2034.0282927947.

The spelling of 8415326464 in words is "eight billion, four hundred fifteen million, three hundred twenty-six thousand, four hundred sixty-four".