450506641 has 8 divisors (see below), whose sum is σ = 485780904. Its totient is φ = 415320960.

The previous prime is 450506621. The next prime is 450506669. The reversal of 450506641 is 146605054.

It can be written as a sum of positive squares in 4 ways, for example, as 38254225 + 412252416 = 6185^2 + 20304^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 450506641 - 2¹⁹ = 449982353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450506621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11380 + ... + 32101.

It is an arithmetic number, because the mean of its divisors is an integer number (60722613).

Almost surely, 2^450506641 is an apocalyptic number.

It is an amenable number.

450506641 is a deficient number, since it is larger than the sum of its proper divisors (35274263).

450506641 is a wasteful number, since it uses less digits than its factorization.

450506641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44291.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 450506641 is about 21225.1417191971. The cubic root of 450506641 is about 766.5969125153.

The spelling of 450506641 in words is "four hundred fifty million, five hundred six thousand, six hundred forty-one".