43040412235553 has 8 divisors (see below), whose sum is σ = 45672950347200. Its totient is φ = 40471308777328.

The previous prime is 43040412235549. The next prime is 43040412235573. The reversal of 43040412235553 is 35553221404034.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43040412235553 - 2² = 43040412235549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43040412235553.

It is not an unprimeable number, because it can be changed into a prime (43040412235573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15858661958 + ... + 15858664671.

It is an arithmetic number, because the mean of its divisors is an integer number (5709118793400).

Almost surely, 2^{43040412235553} is an apocalyptic number.

It is an amenable number.

43040412235553 is a deficient number, since it is larger than the sum of its proper divisors (2632538111647).

43040412235553 is a wasteful number, since it uses less digits than its factorization.

43040412235553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31717326711.

The product of its (nonzero) digits is 864000, while the sum is 41.

Adding to 43040412235553 its reverse (35553221404034), we get a palindrome (78593633639587).

The spelling of 43040412235553 in words is "forty-three trillion, forty billion, four hundred twelve million, two hundred thirty-five thousand, five hundred fifty-three".