4138690418 has 16 divisors (see below), whose sum is σ = 6256132416. Its totient is φ = 2053360080.

The previous prime is 4138690417. The next prime is 4138690441. The reversal of 4138690418 is 8140968314.

It is not an unprimeable number, because it can be changed into a prime (4138690411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169523 + ... + 192393.

It is an arithmetic number, because the mean of its divisors is an integer number (391008276).

Almost surely, 2^4138690418 is an apocalyptic number.

4138690418 is a deficient number, since it is larger than the sum of its proper divisors (2117441998).

4138690418 is a wasteful number, since it uses less digits than its factorization.

4138690418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23569.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 4138690418 is about 64332.6543677470. The cubic root of 4138690418 is about 1605.5394476192.

The spelling of 4138690418 in words is "four billion, one hundred thirty-eight million, six hundred ninety thousand, four hundred eighteen".