450255513565 has 128 divisors (see below), whose sum is σ = 689388682752. Its totient is φ = 277205483520.

The previous prime is 450255513553. The next prime is 450255513569. The reversal of 450255513565 is 565315552054.

It is not a de Polignac number, because 450255513565 - 2¹⁵ = 450255480797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450255513569) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 301576959 + ... + 301578451.

It is an arithmetic number, because the mean of its divisors is an integer number (5385849084).

Almost surely, 2^450255513565 is an apocalyptic number.

It is an amenable number.

450255513565 is a deficient number, since it is larger than the sum of its proper divisors (239133169187).

450255513565 is a wasteful number, since it uses less digits than its factorization.

450255513565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 2250000, while the sum is 46.

The spelling of 450255513565 in words is "four hundred fifty billion, two hundred fifty-five million, five hundred thirteen thousand, five hundred sixty-five".