4120438534 has 16 divisors (see below), whose sum is σ = 6508234800. Its totient is φ = 1951102944.

The previous prime is 4120438513. The next prime is 4120438537. The reversal of 4120438534 is 4358340214.

It is a self number, because there is not a number n which added to its sum of digits gives 4120438534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120438537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100704 + ... + 135580.

It is an arithmetic number, because the mean of its divisors is an integer number (406764675).

Almost surely, 2^4120438534 is an apocalyptic number.

4120438534 is a deficient number, since it is larger than the sum of its proper divisors (2387796266).

4120438534 is a wasteful number, since it uses less digits than its factorization.

4120438534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38007.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 4120438534 is about 64190.6421061513. The cubic root of 4120438534 is about 1603.1757930722.

Adding to 4120438534 its reverse (4358340214), we get a palindrome (8478778748).

The spelling of 4120438534 in words is "four billion, one hundred twenty million, four hundred thirty-eight thousand, five hundred thirty-four".