450466518 has 48 divisors (see below), whose sum is σ = 953985024. Its totient is φ = 141593520.

The previous prime is 450466501. The next prime is 450466519. The reversal of 450466518 is 815664054.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450466519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1984321 + ... + 1984547.

It is an arithmetic number, because the mean of its divisors is an integer number (19874688).

Almost surely, 2^450466518 is an apocalyptic number.

450466518 is an abundant number, since it is smaller than the sum of its proper divisors (503518506).

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

450466518 is a wasteful number, since it uses less digits than its factorization.

450466518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 310 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 450466518 is about 21224.1965218945. The cubic root of 450466518 is about 766.5741536343.

The spelling of 450466518 in words is "four hundred fifty million, four hundred sixty-six thousand, five hundred eighteen".