450955646 has 4 divisors (see below), whose sum is σ = 676433472. Its totient is φ = 225477822.

The previous prime is 450955643. The next prime is 450955693. The reversal of 450955646 is 646559054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646559054 = 2 ⋅323279527.

It is a super-3 number, since 3×450955646³ (a number of 27 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 450955597 and 450955606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450955643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112738910 + ... + 112738913.

It is an arithmetic number, because the mean of its divisors is an integer number (169108368).

Almost surely, 2^450955646 is an apocalyptic number.

450955646 is a deficient number, since it is larger than the sum of its proper divisors (225477826).

450955646 is a wasteful number, since it uses less digits than its factorization.

450955646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225477825.

The product of its (nonzero) digits is 648000, while the sum is 44.

The square root of 450955646 is about 21235.7162817740. The cubic root of 450955646 is about 766.8515085085.

The spelling of 450955646 in words is "four hundred fifty million, nine hundred fifty-five thousand, six hundred forty-six".