451311636023050 has 48 divisors (see below), whose sum is σ = 915766121850912. Its totient is φ = 164110851934400.

The previous prime is 451311636023029. The next prime is 451311636023057. The reversal of 451311636023050 is 50320636113154.

It is a junction number, because it is equal to n+sod(n) for n = 451311636022994 and 451311636023012.

It is not an unprimeable number, because it can be changed into a prime (451311636023057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30596109 + ... + 42880591.

It is an arithmetic number, because the mean of its divisors is an integer number (19078460871894).

Almost surely, 2^{451311636023050} is an apocalyptic number.

451311636023050 is an abundant number, since it is smaller than the sum of its proper divisors (464454485827862).

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

451311636023050 is a wasteful number, since it uses less digits than its factorization.

451311636023050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12351303 (or 12351298 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 451311636023050 in words is "four hundred fifty-one trillion, three hundred eleven billion, six hundred thirty-six million, twenty-three thousand, fifty".