451551323316 has 48 divisors (see below), whose sum is σ = 1115802959040. Its totient is φ = 141637056000.

The previous prime is 451551323203. The next prime is 451551323329. The reversal of 451551323316 is 613323155154.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921015 + ... + 1323393.

It is an arithmetic number, because the mean of its divisors is an integer number (23245894980).

Almost surely, 2^451551323316 is an apocalyptic number.

It is an amenable number.

451551323316 is an abundant number, since it is smaller than the sum of its proper divisors (664251635724).

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

451551323316 is a wasteful number, since it uses less digits than its factorization.

451551323316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407904 (or 407902 counting only the distinct ones).

The product of its digits is 162000, while the sum is 39.

The spelling of 451551323316 in words is "four hundred fifty-one billion, five hundred fifty-one million, three hundred twenty-three thousand, three hundred sixteen".