545044440545 has 32 divisors (see below), whose sum is σ = 716589296640. Its totient is φ = 394687800000.

The previous prime is 545044440511. The next prime is 545044440553.

545044440545 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 545044440545 - 2²⁰ = 545043391969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545044440496 and 545044440505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69172916 + ... + 69180794.

It is an arithmetic number, because the mean of its divisors is an integer number (22393415520).

Almost surely, 2^545044440545 is an apocalyptic number.

545044440545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545044440545 is a deficient number, since it is larger than the sum of its proper divisors (171544856095).

545044440545 is a wasteful number, since it uses less digits than its factorization.

545044440545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13157.

The product of its (nonzero) digits is 2560000, while the sum is 44.

It can be divided in two parts, 545044 and 440545, that added together give a palindrome (985589).

The spelling of 545044440545 in words is "five hundred forty-five billion, forty-four million, four hundred forty thousand, five hundred forty-five".