245402434505055 has 16 divisors (see below), whose sum is σ = 393713769590784. Its totient is φ = 130524673608480.

The previous prime is 245402434505027. The next prime is 245402434505057. The reversal of 245402434505055 is 550505434204542.

It is not a de Polignac number, because 245402434505055 - 2⁵ = 245402434505023 is a prime.

It is a super-2 number, since 2×245402434505055² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245402434504995 and 245402434505013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245402434505057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22289043951 + ... + 22289054960.

It is an arithmetic number, because the mean of its divisors is an integer number (24607110599424).

Almost surely, 2^{245402434505055} is an apocalyptic number.

245402434505055 is a deficient number, since it is larger than the sum of its proper divisors (148311335085729).

245402434505055 is a wasteful number, since it uses less digits than its factorization.

245402434505055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44578099286.

The product of its (nonzero) digits is 9600000, while the sum is 48.

Adding to 245402434505055 its reverse (550505434204542), we get a palindrome (795907868709597).

The spelling of 245402434505055 in words is "two hundred forty-five trillion, four hundred two billion, four hundred thirty-four million, five hundred five thousand, fifty-five".