2443966820 has 12 divisors (see below), whose sum is σ = 5132330364. Its totient is φ = 977586720.

The previous prime is 2443966807. The next prime is 2443966859. The reversal of 2443966820 is 286693442.

It can be written as a sum of positive squares in 2 ways, for example, as 1538679076 + 905287744 = 39226^2 + 30088^2 .

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 3 ways as a sum of consecutive naturals, for example, 61099151 + ... + 61099190.

It is an arithmetic number, because the mean of its divisors is an integer number (427694197).

Almost surely, 2^2443966820 is an apocalyptic number.

2443966820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2443966820 is an abundant number, since it is smaller than the sum of its proper divisors (2688363544).

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

2443966820 is a wasteful number, since it uses less digits than its factorization.

2443966820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122198350 (or 122198348 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 44.

The square root of 2443966820 is about 49436.4927963139. The cubic root of 2443966820 is about 1346.9922650219.

The spelling of 2443966820 in words is "two billion, four hundred forty-three million, nine hundred sixty-six thousand, eight hundred twenty".