452871449856 has 216 divisors, whose sum is σ = 1504031320064. Its totient is φ = 128372428800.

The previous prime is 452871449809. The next prime is 452871449903. The reversal of 452871449856 is 658944178254.

It is a happy number.

452871449856 is a `hidden beast` number, since 4 + 5 + 2 + 87 + 14 + 498 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (452871449809) and next prime (452871449903).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 452871449793 and 452871449802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1937706 + ... + 2158806.

Almost surely, 2^452871449856 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 452871449856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (752015660032).

452871449856 is an abundant number, since it is smaller than the sum of its proper divisors (1051159870208).

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

452871449856 is a wasteful number, since it uses less digits than its factorization.

452871449856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221257 (or 221240 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 63.

The spelling of 452871449856 in words is "four hundred fifty-two billion, eight hundred seventy-one million, four hundred forty-nine thousand, eight hundred fifty-six".