2943040256 has 72 divisors (see below), whose sum is σ = 6601711200. Its totient is φ = 1299234816.

The previous prime is 2943040249. The next prime is 2943040259. The reversal of 2943040256 is 6520403492.

2943040256 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2943040256² = 17322971896873091072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2943040259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57320 + ... + 95768.

Almost surely, 2^2943040256 is an apocalyptic number.

2943040256 is a gapful number since it is divisible by the number (26) 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 2943040256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3300855600).

2943040256 is an abundant number, since it is smaller than the sum of its proper divisors (3658670944).

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

2943040256 is a wasteful number, since it uses less digits than its factorization.

2943040256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38501 (or 38487 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2943040256 is about 54249.7949857877. The cubic root of 2943040256 is about 1433.0633883318.

The spelling of 2943040256 in words is "two billion, nine hundred forty-three million, forty thousand, two hundred fifty-six".