450025512 has 64 divisors (see below), whose sum is σ = 1189762560. Its totient is φ = 141619200.

The previous prime is 450025501. The next prime is 450025519. The reversal of 450025512 is 215520054.

It is a happy number.

It is a super-2 number, since 2×450025512² = 405045922901724288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (450025519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23128 + ... + 37880.

It is an arithmetic number, because the mean of its divisors is an integer number (18590040).

Almost surely, 2^450025512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450025512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594881280).

450025512 is an abundant number, since it is smaller than the sum of its proper divisors (739737048).

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

450025512 is a wasteful number, since it uses less digits than its factorization.

450025512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14834 (or 14830 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 450025512 is about 21213.8047506806. The cubic root of 450025512 is about 766.3239136653.

Adding to 450025512 its reverse (215520054), we get a palindrome (665545566).

The spelling of 450025512 in words is "four hundred fifty million, twenty-five thousand, five hundred twelve".