2996749795940 has 72 divisors (see below), whose sum is σ = 6635335409640. Its totient is φ = 1135527737344.

The previous prime is 2996749795933. The next prime is 2996749795943. The reversal of 2996749795940 is 495979476992.

It can be written as a sum of positive squares in 12 ways, for example, as 685839047716 + 2310910748224 = 828154^2 + 1520168^2 .

It is not an unprimeable number, because it can be changed into a prime (2996749795943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 709532 + ... + 2548908.

It is an arithmetic number, because the mean of its divisors is an integer number (92157436245).

Almost surely, 2^{2996749795940} is an apocalyptic number.

2996749795940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2996749795940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3317667704820).

2996749795940 is an abundant number, since it is smaller than the sum of its proper divisors (3638585613700).

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

2996749795940 is a wasteful number, since it uses less digits than its factorization.

2996749795940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839521 (or 1839466 counting only the distinct ones).

The product of its (nonzero) digits is 2777664960, while the sum is 80.

The spelling of 2996749795940 in words is "two trillion, nine hundred ninety-six billion, seven hundred forty-nine million, seven hundred ninety-five thousand, nine hundred forty".