582240400661 has 16 divisors (see below), whose sum is σ = 638418857328. Its totient is φ = 528837504000.

The previous prime is 582240400639. The next prime is 582240400673. The reversal of 582240400661 is 166004042285.

It can be written as a sum of positive squares in 8 ways, for example, as 30071028100 + 552169372561 = 173410^2 + 743081^2 .

It is a cyclic number.

It is not a de Polignac number, because 582240400661 - 2³⁸ = 307362493717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (582240400681) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5241890 + ... + 5351811.

It is an arithmetic number, because the mean of its divisors is an integer number (39901178583).

Almost surely, 2^582240400661 is an apocalyptic number.

It is an amenable number.

582240400661 is a deficient number, since it is larger than the sum of its proper divisors (56178456667).

582240400661 is a wasteful number, since it uses less digits than its factorization.

582240400661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593832.

The product of its (nonzero) digits is 92160, while the sum is 38.

The spelling of 582240400661 in words is "five hundred eighty-two billion, two hundred forty million, four hundred thousand, six hundred sixty-one".