451434222163020 has 48 divisors (see below), whose sum is σ = 1264085811017568. Its totient is φ = 120375793628160.

The previous prime is 451434222163003. The next prime is 451434222163033. The reversal of 451434222163020 is 20361222434154.

It is a self number, because there is not a number n which added to its sum of digits gives 451434222163020.

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, 207207789 + ... + 209375108.

It is an arithmetic number, because the mean of its divisors is an integer number (26335121062866).

Almost surely, 2^{451434222163020} is an apocalyptic number.

It is an amenable number.

451434222163020 is an abundant number, since it is smaller than the sum of its proper divisors (812651588854548).

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

451434222163020 is a wasteful number, since it uses less digits than its factorization.

451434222163020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416600970 (or 416600968 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

Adding to 451434222163020 its reverse (20361222434154), we get a palindrome (471795444597174).

The spelling of 451434222163020 in words is "four hundred fifty-one trillion, four hundred thirty-four billion, two hundred twenty-two million, one hundred sixty-three thousand, twenty".