43540004534 has 16 divisors (see below), whose sum is σ = 74035636080. Its totient is φ = 19037734560.

The previous prime is 43540004513. The next prime is 43540004567.

43540004534 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 43540004534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44068337 + ... + 44069324.

It is an arithmetic number, because the mean of its divisors is an integer number (4627227255).

Almost surely, 2^43540004534 is an apocalyptic number.

43540004534 is a deficient number, since it is larger than the sum of its proper divisors (30495631546).

43540004534 is a wasteful number, since it uses less digits than its factorization.

43540004534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88137695.

The product of its (nonzero) digits is 57600, while the sum is 32.

It can be divided in two parts, 4354000 and 4534, that added together give a palindrome (4358534).

The spelling of 43540004534 in words is "forty-three billion, five hundred forty million, four thousand, five hundred thirty-four".