8908440340 has 24 divisors (see below), whose sum is σ = 19060702920. Its totient is φ = 3496142208.

The previous prime is 8908440329. The next prime is 8908440341. The reversal of 8908440340 is 430448098.

It can be written as a sum of positive squares in 4 ways, for example, as 886371984 + 8022068356 = 29772^2 + 89566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8908440293 and 8908440302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8908440341) 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 7 ways as a sum of consecutive naturals, for example, 4201035 + ... + 4203154.

It is an arithmetic number, because the mean of its divisors is an integer number (794195955).

Almost surely, 2^8908440340 is an apocalyptic number.

It is an amenable number.

8908440340 is an abundant number, since it is smaller than the sum of its proper divisors (10152262580).

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

8908440340 is a wasteful number, since it uses less digits than its factorization.

8908440340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8404251 (or 8404249 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 8908440340 is about 94384.5344322893. The cubic root of 8908440340 is about 2073.0059977392.

The spelling of 8908440340 in words is "eight billion, nine hundred eight million, four hundred forty thousand, three hundred forty".