451512770808 has 64 divisors (see below), whose sum is σ = 1231526747520. Its totient is φ = 136807798400.

The previous prime is 451512770749. The next prime is 451512770843. The reversal of 451512770808 is 808077215154.

It is a Cunningham number, because it is equal to 671947²-1.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2603791 + ... + 2771777.

It is an arithmetic number, because the mean of its divisors is an integer number (19242605430).

Almost surely, 2^451512770808 is an apocalyptic number.

It is an amenable number.

451512770808 is an abundant number, since it is smaller than the sum of its proper divisors (780013976712).

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

451512770808 is a wasteful number, since it uses less digits than its factorization.

451512770808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178188 (or 178184 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 48.

The spelling of 451512770808 in words is "four hundred fifty-one billion, five hundred twelve million, seven hundred seventy thousand, eight hundred eight".