2585860049982 has 64 divisors (see below), whose sum is σ = 5828139122688. Its totient is φ = 757761180000.

The previous prime is 2585860049977. The next prime is 2585860049989. The reversal of 2585860049982 is 2899400685852.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585860049989) 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 31 ways as a sum of consecutive naturals, for example, 2334607 + ... + 3259157.

It is an arithmetic number, because the mean of its divisors is an integer number (91064673792).

Almost surely, 2^{2585860049982} is an apocalyptic number.

2585860049982 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2585860049982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2914069561344).

2585860049982 is an abundant number, since it is smaller than the sum of its proper divisors (3242279072706).

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

2585860049982 is a wasteful number, since it uses less digits than its factorization.

2585860049982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925965.

The product of its (nonzero) digits is 99532800, while the sum is 66.

The spelling of 2585860049982 in words is "two trillion, five hundred eighty-five billion, eight hundred sixty million, forty-nine thousand, nine hundred eighty-two".