581857423960 has 16 divisors (see below), whose sum is σ = 1309179204000. Its totient is φ = 232742969568.

The previous prime is 581857423937. The next prime is 581857423969. The reversal of 581857423960 is 69324758185.

It is a junction number, because it is equal to n+sod(n) for n = 581857423895 and 581857423904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (581857423969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7273217760 + ... + 7273217839.

It is an arithmetic number, because the mean of its divisors is an integer number (81823700250).

It is a 1-persistent number, because it is pandigital, but 2⋅581857423960 = 1163714847920 is not.

Almost surely, 2^581857423960 is an apocalyptic number.

It is an amenable number.

581857423960 is an abundant number, since it is smaller than the sum of its proper divisors (727321780040).

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

581857423960 is a wasteful number, since it uses less digits than its factorization.

581857423960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14546435610 (or 14546435606 counting only the distinct ones).

The product of its (nonzero) digits is 14515200, while the sum is 58.

The spelling of 581857423960 in words is "five hundred eighty-one billion, eight hundred fifty-seven million, four hundred twenty-three thousand, nine hundred sixty".