40525235443 has 32 divisors (see below), whose sum is σ = 53570695680. Its totient is φ = 29679644160.

The previous prime is 40525235393. The next prime is 40525235447. The reversal of 40525235443 is 34453252504.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40525235443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40525235447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 946405 + ... + 988297.

It is an arithmetic number, because the mean of its divisors is an integer number (1674084240).

Almost surely, 2^40525235443 is an apocalyptic number.

40525235443 is a deficient number, since it is larger than the sum of its proper divisors (13045460237).

40525235443 is a wasteful number, since it uses less digits than its factorization.

40525235443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42667.

The product of its (nonzero) digits is 288000, while the sum is 37.

Adding to 40525235443 its reverse (34453252504), we get a palindrome (74978487947).

The spelling of 40525235443 in words is "forty billion, five hundred twenty-five million, two hundred thirty-five thousand, four hundred forty-three".