450168534916 has 9 divisors (see below), whose sum is σ = 787797284421. Its totient is φ = 225083596512.

The previous prime is 450168534887. The next prime is 450168534923. The reversal of 450168534916 is 619435861054.

It is a happy number.

The square root of 450168534916 is 670946.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 34793440900 + 415375094016 = 186530^2 + 644496^2 .

It is a super-2 number, since 2×450168534916² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1174156 + ... + 1509628.

Almost surely, 2^450168534916 is an apocalyptic number.

450168534916 is the 670946-th square number.

It is an amenable number.

450168534916 is a deficient number, since it is larger than the sum of its proper divisors (337628749505).

450168534916 is an frugal number, since it uses more digits than its factorization.

450168534916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670950 (or 335475 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 450168534916 in words is "four hundred fifty billion, one hundred sixty-eight million, five hundred thirty-four thousand, nine hundred sixteen".