4000338925 has 12 divisors (see below), whose sum is σ = 5411367936. Its totient is φ = 2909337200.

The previous prime is 4000338889. The next prime is 4000338931. The reversal of 4000338925 is 5298330004.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4000338925 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7273069 + ... + 7273618.

It is an arithmetic number, because the mean of its divisors is an integer number (450947328).

Almost surely, 2^4000338925 is an apocalyptic number.

It is an amenable number.

4000338925 is a deficient number, since it is larger than the sum of its proper divisors (1411029011).

4000338925 is a wasteful number, since it uses less digits than its factorization.

4000338925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14546708 (or 14546703 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 4000338925 is about 63248.2325840019. The cubic root of 4000338925 is about 1587.4458848604.

Adding to 4000338925 its reverse (5298330004), we get a palindrome (9298668929).

The spelling of 4000338925 in words is "four billion, three hundred thirty-eight thousand, nine hundred twenty-five".