8308140830440 has 128 divisors (see below), whose sum is σ = 20429496933120. Its totient is φ = 3015696332800.

The previous prime is 8308140830387. The next prime is 8308140830459. The reversal of 8308140830440 is 440380418038.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 830227917 + ... + 830237923.

It is an arithmetic number, because the mean of its divisors is an integer number (159605444790).

Almost surely, 2^{8308140830440} 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 8308140830440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10214748466560).

8308140830440 is an abundant number, since it is smaller than the sum of its proper divisors (12121356102680).

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

8308140830440 is a wasteful number, since it uses less digits than its factorization.

8308140830440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13243 (or 13239 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 8308140830440 in words is "eight trillion, three hundred eight billion, one hundred forty million, eight hundred thirty thousand, four hundred forty".