581991400896 has 448 divisors, whose sum is σ = 1727557632000. Its totient is φ = 171980734464.

The previous prime is 581991400889. The next prime is 581991400901. The reversal of 581991400896 is 698004199185.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2435110345 + ... + 2435110583.

Almost surely, 2^581991400896 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 581991400896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863778816000).

581991400896 is an abundant number, since it is smaller than the sum of its proper divisors (1145566231104).

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

581991400896 is a wasteful number, since it uses less digits than its factorization.

581991400896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 60.

The spelling of 581991400896 in words is "five hundred eighty-one billion, nine hundred ninety-one million, four hundred thousand, eight hundred ninety-six".