4209252388 has 12 divisors (see below), whose sum is σ = 8035845552. Its totient is φ = 1913296520.

The previous prime is 4209252361. The next prime is 4209252391. The reversal of 4209252388 is 8832529024.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47832370 + ... + 47832457.

It is an arithmetic number, because the mean of its divisors is an integer number (669653796).

Almost surely, 2^4209252388 is an apocalyptic number.

It is an amenable number.

4209252388 is a deficient number, since it is larger than the sum of its proper divisors (3826593164).

4209252388 is a wasteful number, since it uses less digits than its factorization.

4209252388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95664842 (or 95664840 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 4209252388 is about 64878.7514368148. The cubic root of 4209252388 is about 1614.6125443827.

The spelling of 4209252388 in words is "four billion, two hundred nine million, two hundred fifty-two thousand, three hundred eighty-eight".