2921882256 has 60 divisors (see below), whose sum is σ = 8213326992. Its totient is φ = 969659328.

The previous prime is 2921882251. The next prime is 2921882273. The reversal of 2921882256 is 6522881292.

It is not an unprimeable number, because it can be changed into a prime (2921882251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12006 + ... + 77381.

Almost surely, 2^2921882256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2921882256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4106663496).

2921882256 is an abundant number, since it is smaller than the sum of its proper divisors (5291444736).

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

2921882256 is a wasteful number, since it uses less digits than its factorization.

2921882256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89628 (or 89619 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 2921882256 is about 54054.4378936642. The cubic root of 2921882256 is about 1429.6209496260.

The spelling of 2921882256 in words is "two billion, nine hundred twenty-one million, eight hundred eighty-two thousand, two hundred fifty-six".