450320553445 has 16 divisors (see below), whose sum is σ = 617659285248. Its totient is φ = 308752830720.

The previous prime is 450320553409. The next prime is 450320553467. The reversal of 450320553445 is 544355023054.

It is not a de Polignac number, because 450320553445 - 2⁷ = 450320553317 is a prime.

It is a super-2 number, since 2×450320553445² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 450320553398 and 450320553407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 513249 + ... + 1078918.

It is an arithmetic number, because the mean of its divisors is an integer number (38603705328).

Almost surely, 2^450320553445 is an apocalyptic number.

It is an amenable number.

450320553445 is a deficient number, since it is larger than the sum of its proper divisors (167338731803).

450320553445 is a wasteful number, since it uses less digits than its factorization.

450320553445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600260.

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 450320553445 its reverse (544355023054), we get a palindrome (994675576499).

The spelling of 450320553445 in words is "four hundred fifty billion, three hundred twenty million, five hundred fifty-three thousand, four hundred forty-five".