8656983040 has 88 divisors (see below), whose sum is σ = 20926759392. Its totient is φ = 3436093440.

The previous prime is 8656983019. The next prime is 8656983043. The reversal of 8656983040 is 403896568.

It is a happy number.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8656983043) 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, 664267 + ... + 677173.

It is an arithmetic number, because the mean of its divisors is an integer number (237804084).

Almost surely, 2^8656983040 is an apocalyptic number.

8656983040 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 8656983040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10463379696).

8656983040 is an abundant number, since it is smaller than the sum of its proper divisors (12269776352).

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

8656983040 is a wasteful number, since it uses less digits than its factorization.

8656983040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13063 (or 13045 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 8656983040 is about 93042.9096707535. The cubic root of 8656983040 is about 2053.3147278163.

The spelling of 8656983040 in words is "eight billion, six hundred fifty-six million, nine hundred eighty-three thousand, forty".