450022217408646 has 16 divisors (see below), whose sum is σ = 900052057722864. Its totient is φ = 150006135318624.

The previous prime is 450022217408627. The next prime is 450022217408719. The reversal of 450022217408646 is 646804712220054.

It is a super-2 number, since 2×450022217408646² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316853461 + ... + 318270576.

It is an arithmetic number, because the mean of its divisors is an integer number (56253253607679).

Almost surely, 2^{450022217408646} is an apocalyptic number.

450022217408646 is an abundant number, since it is smaller than the sum of its proper divisors (450029840314218).

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

450022217408646 is a wasteful number, since it uses less digits than its factorization.

450022217408646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635242135.

The product of its (nonzero) digits is 5160960, while the sum is 51.

The spelling of 450022217408646 in words is "four hundred fifty trillion, twenty-two billion, two hundred seventeen million, four hundred eight thousand, six hundred forty-six".