2684444862 has 64 divisors (see below), whose sum is σ = 6172485120. Its totient is φ = 770352000.

The previous prime is 2684444803. The next prime is 2684444863.

2684444862 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2684444863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144564 + ... + 162072.

It is an arithmetic number, because the mean of its divisors is an integer number (96445080).

Almost surely, 2^2684444862 is an apocalyptic number.

2684444862 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 2684444862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3086242560).

2684444862 is an abundant number, since it is smaller than the sum of its proper divisors (3488040258).

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

2684444862 is a wasteful number, since it uses less digits than its factorization.

2684444862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17649.

The product of its digits is 2359296, while the sum is 48.

The square root of 2684444862 is about 51811.6286368224. The cubic root of 2684444862 is about 1389.7974036626.

The spelling of 2684444862 in words is "two billion, six hundred eighty-four million, four hundred forty-four thousand, eight hundred sixty-two".