454721656752 has 120 divisors (see below), whose sum is σ = 1388481369600. Its totient is φ = 137774355840.

The previous prime is 454721656751. The next prime is 454721656777. The reversal of 454721656752 is 257656127454.

454721656752 is a `hidden beast` number, since 4 + 5 + 4 + 7 + 21 + 6 + 567 + 52 = 666.

It is not an unprimeable number, because it can be changed into a prime (454721656751) 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 23 ways as a sum of consecutive naturals, for example, 13680249 + ... + 13713447.

It is an arithmetic number, because the mean of its divisors is an integer number (11570678080).

Almost surely, 2^454721656752 is an apocalyptic number.

It is an amenable number.

454721656752 is an abundant number, since it is smaller than the sum of its proper divisors (933759712848).

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

454721656752 is a wasteful number, since it uses less digits than its factorization.

454721656752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41871 (or 41862 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 54.

The spelling of 454721656752 in words is "four hundred fifty-four billion, seven hundred twenty-one million, six hundred fifty-six thousand, seven hundred fifty-two".