8371120530240 has 1568 divisors, whose sum is σ = 34248582617760. Its totient is φ = 1929757851648.

The previous prime is 8371120530239. The next prime is 8371120530319. The reversal of 8371120530240 is 420350211738.

8371120530240 is a `hidden beast` number, since 8 + 3 + 7 + 112 + 0 + 530 + 2 + 4 + 0 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 270083932416 + 8101036597824 = 519696^2 + 2846232^2 .

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 = 8371120530195 and 8371120530204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 20467287156 + ... + 20467287564.

Almost surely, 2^{8371120530240} is an apocalyptic number.

8371120530240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8371120530240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17124291308880).

8371120530240 is an abundant number, since it is smaller than the sum of its proper divisors (25877462087520).

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

8371120530240 is a wasteful number, since it uses less digits than its factorization.

8371120530240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 846 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 8371120530240 its reverse (420350211738), we get a palindrome (8791470741978).

The spelling of 8371120530240 in words is "eight trillion, three hundred seventy-one billion, one hundred twenty million, five hundred thirty thousand, two hundred forty".