450512440032 has 24 divisors (see below), whose sum is σ = 1182595155336. Its totient is φ = 150170813312.

The previous prime is 450512440031. The next prime is 450512440061. The reversal of 450512440032 is 230044215054.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×450512440032² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450512440031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2346418863 + ... + 2346419054.

It is an arithmetic number, because the mean of its divisors is an integer number (49274798139).

Almost surely, 2^450512440032 is an apocalyptic number.

It is an amenable number.

450512440032 is an abundant number, since it is smaller than the sum of its proper divisors (732082715304).

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

450512440032 is a wasteful number, since it uses less digits than its factorization.

450512440032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692837930 (or 4692837922 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 450512440032 its reverse (230044215054), we get a palindrome (680556655086).

The spelling of 450512440032 in words is "four hundred fifty billion, five hundred twelve million, four hundred forty thousand, thirty-two".