8709413440 has 112 divisors (see below), whose sum is σ = 25525366272. Its totient is φ = 2756376576.

The previous prime is 8709413423. The next prime is 8709413441. The reversal of 8709413440 is 443149078.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 8709413393 and 8709413402.

It is not an unprimeable number, because it can be changed into a prime (8709413441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120424 + ... + 178663.

It is an arithmetic number, because the mean of its divisors is an integer number (227905056).

Almost surely, 2^8709413440 is an apocalyptic number.

8709413440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8709413440 is an abundant number, since it is smaller than the sum of its proper divisors (16815952832).

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

8709413440 is a wasteful number, since it uses less digits than its factorization.

8709413440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299124 (or 299114 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 8709413440 is about 93324.2382235183. The cubic root of 8709413440 is about 2057.4516387606.

The spelling of 8709413440 in words is "eight billion, seven hundred nine million, four hundred thirteen thousand, four hundred forty".