438821922732 has 24 divisors (see below), whose sum is σ = 1040703359472. Its totient is φ = 143876040000.

The previous prime is 438821922629. The next prime is 438821922769. The reversal of 438821922732 is 237229128834.

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, 299741019 + ... + 299742482.

It is an arithmetic number, because the mean of its divisors is an integer number (43362639978).

Almost surely, 2^438821922732 is an apocalyptic number.

It is an amenable number.

438821922732 is an abundant number, since it is smaller than the sum of its proper divisors (601881436740).

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

438821922732 is a wasteful number, since it uses less digits than its factorization.

438821922732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599483569 (or 599483567 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The spelling of 438821922732 in words is "four hundred thirty-eight billion, eight hundred twenty-one million, nine hundred twenty-two thousand, seven hundred thirty-two".