450898650 has 288 divisors, whose sum is σ = 1389286080. Its totient is φ = 108241920.

The previous prime is 450898639. The next prime is 450898663. The reversal of 450898650 is 56898054.

450898650 is a `hidden beast` number, since 4 + 508 + 98 + 6 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 450898596 and 450898605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 7642321 + ... + 7642379.

It is an arithmetic number, because the mean of its divisors is an integer number (4823910).

Almost surely, 2^450898650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 450898650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694643040).

450898650 is an abundant number, since it is smaller than the sum of its proper divisors (938387430).

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

450898650 is a wasteful number, since it uses less digits than its factorization.

450898650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 450898650 is about 21234.3742549669. The cubic root of 450898650 is about 766.8191998543.

The spelling of 450898650 in words is "four hundred fifty million, eight hundred ninety-eight thousand, six hundred fifty".