438460321800452 has 24 divisors (see below), whose sum is σ = 886773684545280. Its totient is φ = 185800200569280.

The previous prime is 438460321800427. The next prime is 438460321800461. The reversal of 438460321800452 is 254008123064834.

It is a self number, because there is not a number n which added to its sum of digits gives 438460321800452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87973577324 + ... + 87973582307.

It is an arithmetic number, because the mean of its divisors is an integer number (36948903522720).

Almost surely, 2^{438460321800452} is an apocalyptic number.

It is an amenable number.

438460321800452 is an abundant number, since it is smaller than the sum of its proper divisors (448313362744828).

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

438460321800452 is a wasteful number, since it uses less digits than its factorization.

438460321800452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175947159731 (or 175947159729 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 50.

The spelling of 438460321800452 in words is "four hundred thirty-eight trillion, four hundred sixty billion, three hundred twenty-one million, eight hundred thousand, four hundred fifty-two".