8809025040 has 60 divisors (see below), whose sum is σ = 29583644844. Its totient is φ = 2349073152.

The previous prime is 8809025033. The next prime is 8809025041. The reversal of 8809025040 is 405209088.

It can be written as a sum of positive squares in 2 ways, for example, as 4370267664 + 4438757376 = 66108^2 + 66624^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8809024986 and 8809025004.

It is not an unprimeable number, because it can be changed into a prime (8809025041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6116659 + ... + 6118098.

Almost surely, 2^8809025040 is an apocalyptic number.

8809025040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8809025040 is an abundant number, since it is smaller than the sum of its proper divisors (20774619804).

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

8809025040 is a wasteful number, since it uses less digits than its factorization.

8809025040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12234776 (or 12234767 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 8809025040 is about 93856.4064941760. The cubic root of 8809025040 is about 2065.2657753275.

The spelling of 8809025040 in words is "eight billion, eight hundred nine million, twenty-five thousand, forty".