454866886656 has 1120 divisors, whose sum is σ = 1733551024128. Its totient is φ = 116095057920.

The previous prime is 454866886633. The next prime is 454866886667. The reversal of 454866886656 is 656688668454.

454866886656 is a `hidden beast` number, since 4 + 5 + 486 + 6 + 8 + 86 + 65 + 6 = 666.

It is a super-2 number, since 2×454866886656² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14673125361 + ... + 14673125391.

Almost surely, 2^454866886656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454866886656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (866775512064).

454866886656 is an abundant number, since it is smaller than the sum of its proper divisors (1278684137472).

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

454866886656 is an frugal number, since it uses more digits than its factorization.

454866886656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 56 counting only the distinct ones).

The product of its digits is 1592524800, while the sum is 72.

The spelling of 454866886656 in words is "four hundred fifty-four billion, eight hundred sixty-six million, eight hundred eighty-six thousand, six hundred fifty-six".