454981331808 has 36 divisors (see below), whose sum is σ = 1293853163148. Its totient is φ = 151660443840.

The previous prime is 454981331797. The next prime is 454981331809. The reversal of 454981331808 is 808133189454.

454981331808 is a `hidden beast` number, since 4 + 5 + 498 + 133 + 18 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454981331809) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 789897858 + ... + 789898433.

It is an arithmetic number, because the mean of its divisors is an integer number (35940365643).

Almost surely, 2^454981331808 is an apocalyptic number.

454981331808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

454981331808 is an abundant number, since it is smaller than the sum of its proper divisors (838871831340).

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

454981331808 is a wasteful number, since it uses less digits than its factorization.

454981331808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579796307 (or 1579796296 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 54.

The spelling of 454981331808 in words is "four hundred fifty-four billion, nine hundred eighty-one million, three hundred thirty-one thousand, eight hundred eight".