2444206613820 has 24 divisors (see below), whose sum is σ = 6843778518864. Its totient is φ = 651788430336.

The previous prime is 2444206613803. The next prime is 2444206613831. The reversal of 2444206613820 is 283166024442.

It is a super-2 number, since 2×2444206613820² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20368388389 + ... + 20368388508.

It is an arithmetic number, because the mean of its divisors is an integer number (285157438286).

Almost surely, 2^{2444206613820} is an apocalyptic number.

2444206613820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2444206613820 is an abundant number, since it is smaller than the sum of its proper divisors (4399571905044).

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

2444206613820 is a wasteful number, since it uses less digits than its factorization.

2444206613820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40736776909 (or 40736776907 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 2444206613820 in words is "two trillion, four hundred forty-four billion, two hundred six million, six hundred thirteen thousand, eight hundred twenty".