4065288738 has 32 divisors (see below), whose sum is σ = 9330668160. Its totient is φ = 1156688640.

The previous prime is 4065288737. The next prime is 4065288739. The reversal of 4065288738 is 8378825604.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4065288737) and next prime (4065288739).

It is not an unprimeable number, because it can be changed into a prime (4065288737) 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, 190693 + ... + 210936.

It is an arithmetic number, because the mean of its divisors is an integer number (291583380).

Almost surely, 2^4065288738 is an apocalyptic number.

4065288738 is an abundant number, since it is smaller than the sum of its proper divisors (5265379422).

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

4065288738 is a wasteful number, since it uses less digits than its factorization.

4065288738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401882.

The product of its (nonzero) digits is 2580480, while the sum is 51.

The square root of 4065288738 is about 63759.6168275814. The cubic root of 4065288738 is about 1595.9911016080.

The spelling of 4065288738 in words is "four billion, sixty-five million, two hundred eighty-eight thousand, seven hundred thirty-eight".