432440435550551 has 4 divisors (see below), whose sum is σ = 432440553661512. Its totient is φ = 432440317439592.

The previous prime is 432440435550481. The next prime is 432440435550553. The reversal of 432440435550551 is 155055534044234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-432440435550551 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 432440435550551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432440435550553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53381825 + ... + 60946698.

It is an arithmetic number, because the mean of its divisors is an integer number (108110138415378).

Almost surely, 2^{432440435550551} is an apocalyptic number.

432440435550551 is a deficient number, since it is larger than the sum of its proper divisors (118110961).

432440435550551 is a wasteful number, since it uses less digits than its factorization.

432440435550551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118110960.

The product of its (nonzero) digits is 14400000, while the sum is 50.

Adding to 432440435550551 its reverse (155055534044234), we get a palindrome (587495969594785).

The spelling of 432440435550551 in words is "four hundred thirty-two trillion, four hundred forty billion, four hundred thirty-five million, five hundred fifty thousand, five hundred fifty-one".