4140838938 has 16 divisors (see below), whose sum is σ = 8287726176. Its totient is φ = 1379271600.

The previous prime is 4140838931. The next prime is 4140838963. The reversal of 4140838938 is 8398380414.

It is a super-2 number, since 2×4140838938² = 34293094220913935688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4140838931) 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, 243088 + ... + 259563.

It is an arithmetic number, because the mean of its divisors is an integer number (517982886).

Almost surely, 2^4140838938 is an apocalyptic number.

4140838938 is an abundant number, since it is smaller than the sum of its proper divisors (4146887238).

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

4140838938 is a wasteful number, since it uses less digits than its factorization.

4140838938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504029.

The product of its (nonzero) digits is 663552, while the sum is 48.

The square root of 4140838938 is about 64349.3507193352. The cubic root of 4140838938 is about 1605.8172276671.

The spelling of 4140838938 in words is "four billion, one hundred forty million, eight hundred thirty-eight thousand, nine hundred thirty-eight".