4801781388 has 12 divisors (see below), whose sum is σ = 11204156600. Its totient is φ = 1600593792.

The previous prime is 4801781377. The next prime is 4801781389. The reversal of 4801781388 is 8831871084.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (4801781389) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 200074213 + ... + 200074236.

Almost surely, 2^4801781388 is an apocalyptic number.

It is an amenable number.

4801781388 is an abundant number, since it is smaller than the sum of its proper divisors (6402375212).

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

4801781388 is a wasteful number, since it uses less digits than its factorization.

4801781388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400148456 (or 400148454 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 48.

The square root of 4801781388 is about 69294.8871706997. The cubic root of 4801781388 is about 1687.0739826867.

The spelling of 4801781388 in words is "four billion, eight hundred one million, seven hundred eighty-one thousand, three hundred eighty-eight".