4050391056 has 80 divisors (see below), whose sum is σ = 10879303680. Its totient is φ = 1297111680.

The previous prime is 4050391021. The next prime is 4050391127. The reversal of 4050391056 is 6501930504.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197041 + ... + 216623.

It is an arithmetic number, because the mean of its divisors is an integer number (135991296).

Almost surely, 2^4050391056 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 4050391056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5439651840).

4050391056 is an abundant number, since it is smaller than the sum of its proper divisors (6828912624).

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

4050391056 is a wasteful number, since it uses less digits than its factorization.

4050391056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19764 (or 19758 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 4050391056 is about 63642.6826587315. The cubic root of 4050391056 is about 1594.0391557042.

The spelling of 4050391056 in words is "four billion, fifty million, three hundred ninety-one thousand, fifty-six".