451849959494256 has 80 divisors (see below), whose sum is σ = 1204943110673408. Its totient is φ = 145756855641600.

The previous prime is 451849959494251. The next prime is 451849959494267. The reversal of 451849959494256 is 652494959948154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451849959494251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190057875 + ... + 192420621.

Almost surely, 2^{451849959494256} is an apocalyptic number.

It is an amenable number.

451849959494256 is an abundant number, since it is smaller than the sum of its proper divisors (753093151179152).

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

451849959494256 is a wasteful number, since it uses less digits than its factorization.

451849959494256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2491310 (or 2491304 counting only the distinct ones).

The product of its digits is 20155392000, while the sum is 84.

The spelling of 451849959494256 in words is "four hundred fifty-one trillion, eight hundred forty-nine billion, nine hundred fifty-nine million, four hundred ninety-four thousand, two hundred fifty-six".