582563940 has 144 divisors (see below), whose sum is σ = 1997553600. Its totient is φ = 126137088.

The previous prime is 582563923. The next prime is 582563951. The reversal of 582563940 is 49365285.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 582563892 and 582563901.

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 47 ways as a sum of consecutive naturals, for example, 50646 + ... + 61074.

It is an arithmetic number, because the mean of its divisors is an integer number (13871900).

Almost surely, 2^582563940 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 582563940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998776800).

582563940 is an abundant number, since it is smaller than the sum of its proper divisors (1414989660).

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

582563940 is a wasteful number, since it uses less digits than its factorization.

582563940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10474 (or 10465 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 582563940 is about 24136.3613662043. The cubic root of 582563940 is about 835.1821420100.

The spelling of 582563940 in words is "five hundred eighty-two million, five hundred sixty-three thousand, nine hundred forty".