450320553444 has 24 divisors (see below), whose sum is σ = 1050867323968. Its totient is φ = 150089798880.

The previous prime is 450320553409. The next prime is 450320553467. The reversal of 450320553444 is 444355023054.

It is a super-2 number, since 2×450320553444² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2021272 + ... + 2232975.

Almost surely, 2^450320553444 is an apocalyptic number.

It is an amenable number.

450320553444 is an abundant number, since it is smaller than the sum of its proper divisors (600546770524).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

450320553444 is a wasteful number, since it uses less digits than its factorization.

450320553444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263075 (or 4263073 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 39.

Adding to 450320553444 its reverse (444355023054), we get a palindrome (894675576498).

The spelling of 450320553444 in words is "four hundred fifty billion, three hundred twenty million, five hundred fifty-three thousand, four hundred forty-four".