2943984559840 has 48 divisors (see below), whose sum is σ = 7194996758880. Its totient is φ = 1136987138560.

The previous prime is 2943984559829. The next prime is 2943984559897. The reversal of 2943984559840 is 489554893492.

It is a self number, because there is not a number n which added to its sum of digits gives 2943984559840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317235076 + ... + 317244355.

It is an arithmetic number, because the mean of its divisors is an integer number (149895765810).

Almost surely, 2^{2943984559840} is an apocalyptic number.

2943984559840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2943984559840 is an abundant number, since it is smaller than the sum of its proper divisors (4251012199040).

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

2943984559840 is a wasteful number, since it uses less digits than its factorization.

2943984559840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634479475 (or 634479467 counting only the distinct ones).

The product of its (nonzero) digits is 447897600, while the sum is 70.

The spelling of 2943984559840 in words is "two trillion, nine hundred forty-three billion, nine hundred eighty-four million, five hundred fifty-nine thousand, eight hundred forty".