581380890720 has 192 divisors, whose sum is σ = 2104536784896. Its totient is φ = 132152739840.

The previous prime is 581380890641. The next prime is 581380890763. The reversal of 581380890720 is 27098083185.

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 31 ways as a sum of consecutive naturals, for example, 130177 + ... + 1086143.

It is an arithmetic number, because the mean of its divisors is an integer number (10961129088).

Almost surely, 2^581380890720 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 581380890720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1052268392448).

581380890720 is an abundant number, since it is smaller than the sum of its proper divisors (1523155894176).

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

581380890720 is a wasteful number, since it uses less digits than its factorization.

581380890720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956173 (or 956165 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 51.

The spelling of 581380890720 in words is "five hundred eighty-one billion, three hundred eighty million, eight hundred ninety thousand, seven hundred twenty".