8804445640 has 32 divisors (see below), whose sum is σ = 19812771000. Its totient is φ = 3521286144.

The previous prime is 8804445631. The next prime is 8804445647. The reversal of 8804445640 is 465444088.

It can be written as a sum of positive squares in 4 ways, for example, as 3436538884 + 5367906756 = 58622^2 + 73266^2 .

It is not an unprimeable number, because it can be changed into a prime (8804445647) 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, 443446 + ... + 462874.

Almost surely, 2^8804445640 is an apocalyptic number.

It is an amenable number.

8804445640 is an abundant number, since it is smaller than the sum of its proper divisors (11008325360).

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

8804445640 is a wasteful number, since it uses less digits than its factorization.

8804445640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30769 (or 30765 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 43.

The square root of 8804445640 is about 93832.0075454000. The cubic root of 8804445640 is about 2064.9078349429.

The spelling of 8804445640 in words is "eight billion, eight hundred four million, four hundred forty-five thousand, six hundred forty".