2942855740 has 96 divisors (see below), whose sum is σ = 6973392384. Its totient is φ = 1033992960.

The previous prime is 2942855683. The next prime is 2942855759. The reversal of 2942855740 is 475582492.

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 31 ways as a sum of consecutive naturals, for example, 779337 + ... + 783103.

It is an arithmetic number, because the mean of its divisors is an integer number (72639504).

Almost surely, 2^2942855740 is an apocalyptic number.

2942855740 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 2942855740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3486696192).

2942855740 is an abundant number, since it is smaller than the sum of its proper divisors (4030536644).

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

2942855740 is a wasteful number, since it uses less digits than its factorization.

2942855740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3907 (or 3905 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 2942855740 is about 54248.0943444099. The cubic root of 2942855740 is about 1433.0334387301.

The spelling of 2942855740 in words is "two billion, nine hundred forty-two million, eight hundred fifty-five thousand, seven hundred forty".