451063463665020 has 48 divisors (see below), whose sum is σ = 1272922404569088. Its totient is φ = 119336475424320.

The previous prime is 451063463664977. The next prime is 451063463665037. The reversal of 451063463665020 is 20566364360154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29597332516 + ... + 29597347755.

It is an arithmetic number, because the mean of its divisors is an integer number (26519216761856).

Almost surely, 2^{451063463665020} is an apocalyptic number.

It is an amenable number.

451063463665020 is an abundant number, since it is smaller than the sum of its proper divisors (821858940904068).

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

451063463665020 is a wasteful number, since it uses less digits than its factorization.

451063463665020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59194680410 (or 59194680408 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 51.

The spelling of 451063463665020 in words is "four hundred fifty-one trillion, sixty-three billion, four hundred sixty-three million, six hundred sixty-five thousand, twenty".