4138745916 has 24 divisors (see below), whose sum is σ = 9793090944. Its totient is φ = 1360150960.

The previous prime is 4138745911. The next prime is 4138745921. The reversal of 4138745916 is 6195478314.

It is an interprime number because it is at equal distance from previous prime (4138745911) and next prime (4138745921).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4138745911) 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, 2427990 + ... + 2429693.

It is an arithmetic number, because the mean of its divisors is an integer number (408045456).

Almost surely, 2^4138745916 is an apocalyptic number.

It is an amenable number.

4138745916 is an abundant number, since it is smaller than the sum of its proper divisors (5654345028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4138745916 is a wasteful number, since it uses less digits than its factorization.

4138745916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857761 (or 4857759 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The square root of 4138745916 is about 64333.0857024595. The cubic root of 4138745916 is about 1605.5466241108.

The spelling of 4138745916 in words is "four billion, one hundred thirty-eight million, seven hundred forty-five thousand, nine hundred sixteen".