4005725198 has 32 divisors (see below), whose sum is σ = 6720848640. Its totient is φ = 1779442560.

The previous prime is 4005725197. The next prime is 4005725203. The reversal of 4005725198 is 8915275004.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005725197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171863 + ... + 193773.

It is an arithmetic number, because the mean of its divisors is an integer number (210026520).

Almost surely, 2^4005725198 is an apocalyptic number.

4005725198 is a deficient number, since it is larger than the sum of its proper divisors (2715123442).

4005725198 is a wasteful number, since it uses less digits than its factorization.

4005725198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22232.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 4005725198 is about 63290.7986835369. The cubic root of 4005725198 is about 1588.1580397016.

The spelling of 4005725198 in words is "four billion, five million, seven hundred twenty-five thousand, one hundred ninety-eight".