8331366240 has 192 divisors, whose sum is σ = 30694809600. Its totient is φ = 2104745472.

The previous prime is 8331366227. The next prime is 8331366283. The reversal of 8331366240 is 426631338.

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 = 8331366195 and 8331366204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31329 + ... + 132831.

It is an arithmetic number, because the mean of its divisors is an integer number (159868800).

Almost surely, 2^8331366240 is an apocalyptic number.

8331366240 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 8331366240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15347404800).

8331366240 is an abundant number, since it is smaller than the sum of its proper divisors (22363443360).

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

8331366240 is a wasteful number, since it uses less digits than its factorization.

8331366240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101546 (or 101532 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 8331366240 is about 91276.3180677223. The cubic root of 8331366240 is about 2027.2411291843.

Adding to 8331366240 its reverse (426631338), we get a palindrome (8757997578).

The spelling of 8331366240 in words is "eight billion, three hundred thirty-one million, three hundred sixty-six thousand, two hundred forty".