450405650 has 48 divisors (see below), whose sum is σ = 907736544. Its totient is φ = 165607680.

The previous prime is 450405643. The next prime is 450405689. The reversal of 450405650 is 56504054.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 30389 + ... + 42711.

It is an arithmetic number, because the mean of its divisors is an integer number (18911178).

Almost surely, 2^450405650 is an apocalyptic number.

450405650 is an abundant number, since it is smaller than the sum of its proper divisors (457330894).

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

450405650 is a wasteful number, since it uses less digits than its factorization.

450405650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12395 (or 12390 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 450405650 is about 21222.7625440233. The cubic root of 450405650 is about 766.5396250323.

The spelling of 450405650 in words is "four hundred fifty million, four hundred five thousand, six hundred fifty".