8140422752 has 144 divisors (see below), whose sum is σ = 20904936192. Its totient is φ = 3025693440.

The previous prime is 8140422743. The next prime is 8140422767. The reversal of 8140422752 is 2572240418.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21478499 + ... + 21478877.

It is an arithmetic number, because the mean of its divisors is an integer number (145173168).

Almost surely, 2^8140422752 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 8140422752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10452468096).

8140422752 is an abundant number, since it is smaller than the sum of its proper divisors (12764513440).

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

8140422752 is a wasteful number, since it uses less digits than its factorization.

8140422752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 8140422752 is about 90224.2913632465. The cubic root of 8140422752 is about 2011.6340887645.

The spelling of 8140422752 in words is "eight billion, one hundred forty million, four hundred twenty-two thousand, seven hundred fifty-two".