2582440056 has 80 divisors (see below), whose sum is σ = 8266555440. Its totient is φ = 737838720.

The previous prime is 2582440039. The next prime is 2582440057. The reversal of 2582440056 is 6500442852.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2582440056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2582440057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 280125 + ... + 289196.

It is an arithmetic number, because the mean of its divisors is an integer number (103331943).

Almost surely, 2^2582440056 is an apocalyptic number.

It is an amenable number.

2582440056 is an abundant number, since it is smaller than the sum of its proper divisors (5684115384).

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

2582440056 is a wasteful number, since it uses less digits than its factorization.

2582440056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569346 (or 569333 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 2582440056 is about 50817.7139981719. The cubic root of 2582440056 is about 1371.9662136421.

The spelling of 2582440056 in words is "two billion, five hundred eighty-two million, four hundred forty thousand, fifty-six".