8465394816 has 96 divisors (see below), whose sum is σ = 24409604700. Its totient is φ = 2816059392.

The previous prime is 8465394803. The next prime is 8465394869. The reversal of 8465394816 is 6184935648.

It can be written as a sum of positive squares in 2 ways, for example, as 8225764416 + 239630400 = 90696^2 + 15480^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579150 + ... + 593586.

Almost surely, 2^8465394816 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 8465394816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12204802350).

8465394816 is an abundant number, since it is smaller than the sum of its proper divisors (15944209884).

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

8465394816 is a wasteful number, since it uses less digits than its factorization.

8465394816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14966 (or 14951 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 54.

The square root of 8465394816 is about 92007.5802094588. The cubic root of 8465394816 is about 2038.0542462278.

The spelling of 8465394816 in words is "eight billion, four hundred sixty-five million, three hundred ninety-four thousand, eight hundred sixteen".