4097728784 has 40 divisors (see below), whose sum is σ = 8392037280. Its totient is φ = 1932940800.

The previous prime is 4097728771. The next prime is 4097728871. The reversal of 4097728784 is 4878277904.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45299 + ... + 101229.

It is an arithmetic number, because the mean of its divisors is an integer number (209800932).

Almost surely, 2^4097728784 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 4097728784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4196018640).

4097728784 is an abundant number, since it is smaller than the sum of its proper divisors (4294308496).

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

4097728784 is a wasteful number, since it uses less digits than its factorization.

4097728784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56199 (or 56193 counting only the distinct ones).

The product of its (nonzero) digits is 6322176, while the sum is 56.

The square root of 4097728784 is about 64013.5047001803. The cubic root of 4097728784 is about 1600.2250704214.

The spelling of 4097728784 in words is "four billion, ninety-seven million, seven hundred twenty-eight thousand, seven hundred eighty-four".