4071541938 has 32 divisors (see below), whose sum is σ = 8520987456. Its totient is φ = 1295581248.

The previous prime is 4071541933. The next prime is 4071541979. The reversal of 4071541938 is 8391451704.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4071541938.

It is not an unprimeable number, because it can be changed into a prime (4071541933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161256 + ... + 184787.

It is an arithmetic number, because the mean of its divisors is an integer number (266280858).

Almost surely, 2^4071541938 is an apocalyptic number.

4071541938 is an abundant number, since it is smaller than the sum of its proper divisors (4449445518).

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

4071541938 is a wasteful number, since it uses less digits than its factorization.

4071541938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346138.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 4071541938 is about 63808.6352933519. The cubic root of 4071541938 is about 1596.8089966773.

The spelling of 4071541938 in words is "four billion, seventy-one million, five hundred forty-one thousand, nine hundred thirty-eight".