4028382912138 has 32 divisors (see below), whose sum is σ = 9186900399936. Its totient is φ = 1166590526208.

The previous prime is 4028382912137. The next prime is 4028382912167. The reversal of 4028382912138 is 8312192838204.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4028382912131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518996756 + ... + 1518999407.

It is an arithmetic number, because the mean of its divisors is an integer number (287090637498).

Almost surely, 2^{4028382912138} is an apocalyptic number.

4028382912138 is an abundant number, since it is smaller than the sum of its proper divisors (5158517487798).

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

4028382912138 is a wasteful number, since it uses less digits than its factorization.

4028382912138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037996198.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 4028382912138 in words is "four trillion, twenty-eight billion, three hundred eighty-two million, nine hundred twelve thousand, one hundred thirty-eight".