452081805478 has 8 divisors (see below), whose sum is σ = 688243942872. Its totient is φ = 222667157856.

The previous prime is 452081805463. The next prime is 452081805491. The reversal of 452081805478 is 874508180254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1686872275 + ... + 1686872542.

It is an arithmetic number, because the mean of its divisors is an integer number (86030492859).

Almost surely, 2^452081805478 is an apocalyptic number.

452081805478 is a deficient number, since it is larger than the sum of its proper divisors (236162137394).

452081805478 is a wasteful number, since it uses less digits than its factorization.

452081805478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3373744886.

The product of its (nonzero) digits is 2867200, while the sum is 52.

The spelling of 452081805478 in words is "four hundred fifty-two billion, eighty-one million, eight hundred five thousand, four hundred seventy-eight".