450526646 has 4 divisors (see below), whose sum is σ = 675789972. Its totient is φ = 225263322.

The previous prime is 450526619. The next prime is 450526669. The reversal of 450526646 is 646625054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 646625054 = 2 ⋅323312527.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112631660 + ... + 112631663.

It is an arithmetic number, because the mean of its divisors is an integer number (168947493).

Almost surely, 2^450526646 is an apocalyptic number.

450526646 is a deficient number, since it is larger than the sum of its proper divisors (225263326).

450526646 is a wasteful number, since it uses less digits than its factorization.

450526646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225263325.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 450526646 is about 21225.6129711252. The cubic root of 450526646 is about 766.6082594026.

The spelling of 450526646 in words is "four hundred fifty million, five hundred twenty-six thousand, six hundred forty-six".