452421878832 has 1440 divisors, whose sum is σ = 1770567926400. Its totient is φ = 107296358400.

The previous prime is 452421878809. The next prime is 452421878939. The reversal of 452421878832 is 238878124254.

It is a happy number.

452421878832 is a `hidden beast` number, since 4 + 524 + 2 + 1 + 8 + 7 + 88 + 32 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 6197559948 + ... + 6197560020.

It is an arithmetic number, because the mean of its divisors is an integer number (1229561060).

Almost surely, 2^452421878832 is an apocalyptic number.

452421878832 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452421878832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (885283963200).

452421878832 is an abundant number, since it is smaller than the sum of its proper divisors (1318146047568).

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

452421878832 is a wasteful number, since it uses less digits than its factorization.

452421878832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 174 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 54.

The spelling of 452421878832 in words is "four hundred fifty-two billion, four hundred twenty-one million, eight hundred seventy-eight thousand, eight hundred thirty-two".