4072042140 has 24 divisors (see below), whose sum is σ = 11401718160. Its totient is φ = 1085877888.

The previous prime is 4072042109. The next prime is 4072042157. The reversal of 4072042140 is 412402704.

It is a self number, because there is not a number n which added to its sum of digits gives 4072042140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33933625 + ... + 33933744.

It is an arithmetic number, because the mean of its divisors is an integer number (475071590).

Almost surely, 2^4072042140 is an apocalyptic number.

It is an amenable number.

4072042140 is an abundant number, since it is smaller than the sum of its proper divisors (7329676020).

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

4072042140 is a wasteful number, since it uses less digits than its factorization.

4072042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67867381 (or 67867379 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 4072042140 is about 63812.5547208384. The cubic root of 4072042140 is about 1596.8743850371.

Adding to 4072042140 its reverse (412402704), we get a palindrome (4484444844).

The spelling of 4072042140 in words is "four billion, seventy-two million, forty-two thousand, one hundred forty".