8321090432 has 192 divisors, whose sum is σ = 18666195840. Its totient is φ = 3687690240.

The previous prime is 8321090417. The next prime is 8321090473. The reversal of 8321090432 is 2340901238.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53000498 + ... + 53000654.

It is an arithmetic number, because the mean of its divisors is an integer number (97219770).

Almost surely, 2^8321090432 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 8321090432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9333097920).

8321090432 is an abundant number, since it is smaller than the sum of its proper divisors (10345105408).

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

8321090432 is a wasteful number, since it uses less digits than its factorization.

8321090432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 246 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 8321090432 is about 91220.0111379077. The cubic root of 8321090432 is about 2026.4073279267.

The spelling of 8321090432 in words is "eight billion, three hundred twenty-one million, ninety thousand, four hundred thirty-two".