4138669456 has 40 divisors (see below), whose sum is σ = 8136041760. Its totient is φ = 2039203584.

The previous prime is 4138669439. The next prime is 4138669481. The reversal of 4138669456 is 6549668314.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432435 + ... + 441901.

It is an arithmetic number, because the mean of its divisors is an integer number (203401044).

Almost surely, 2^4138669456 is an apocalyptic number.

It is an amenable number.

4138669456 is a deficient number, since it is larger than the sum of its proper divisors (3997372304).

4138669456 is a wasteful number, since it uses less digits than its factorization.

4138669456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9871 (or 9865 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 52.

The square root of 4138669456 is about 64332.4914487229. The cubic root of 4138669456 is about 1605.5367369893.

The spelling of 4138669456 in words is "four billion, one hundred thirty-eight million, six hundred sixty-nine thousand, four hundred fifty-six".