2943442720 has 24 divisors (see below), whose sum is σ = 6953883804. Its totient is φ = 1177377024.

The previous prime is 2943442717. The next prime is 2943442739. The reversal of 2943442720 is 272443492.

It can be written as a sum of positive squares in 2 ways, for example, as 2943279504 + 163216 = 54252^2 + 404^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2943442720.

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, 9198099 + ... + 9198418.

Almost surely, 2^2943442720 is an apocalyptic number.

2943442720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2943442720 is an abundant number, since it is smaller than the sum of its proper divisors (4010441084).

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

2943442720 is a wasteful number, since it uses less digits than its factorization.

2943442720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18396532 (or 18396524 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The square root of 2943442720 is about 54253.5042186217. The cubic root of 2943442720 is about 1433.1287096871.

The spelling of 2943442720 in words is "two billion, nine hundred forty-three million, four hundred forty-two thousand, seven hundred twenty".