4205445988 has 24 divisors (see below), whose sum is σ = 7600158720. Its totient is φ = 2034029760.

The previous prime is 4205445949. The next prime is 4205446013. The reversal of 4205445988 is 8895445024.

It is a super-2 number, since 2×4205445988² = 35371551915970592288, which contains 22 as substring.

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, 362445 + ... + 373867.

It is an arithmetic number, because the mean of its divisors is an integer number (316673280).

Almost surely, 2^4205445988 is an apocalyptic number.

It is an amenable number.

4205445988 is a deficient number, since it is larger than the sum of its proper divisors (3394712732).

4205445988 is a wasteful number, since it uses less digits than its factorization.

4205445988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14427 (or 14425 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The square root of 4205445988 is about 64849.4100821280. The cubic root of 4205445988 is about 1614.1257030066.

The spelling of 4205445988 in words is "four billion, two hundred five million, four hundred forty-five thousand, nine hundred eighty-eight".