445430232128 has 28 divisors (see below), whose sum is σ = 1010172134592. Its totient is φ = 190898670720.

The previous prime is 445430232097. The next prime is 445430232157. The reversal of 445430232128 is 821232034544.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 445430232091 and 445430232100.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497131508 + ... + 497132403.

Almost surely, 2^445430232128 is an apocalyptic number.

It is an amenable number.

445430232128 is an abundant number, since it is smaller than the sum of its proper divisors (564741902464).

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

445430232128 is an equidigital number, since it uses as much as digits as its factorization.

445430232128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994263930 (or 994263920 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

The spelling of 445430232128 in words is "four hundred forty-five billion, four hundred thirty million, two hundred thirty-two thousand, one hundred twenty-eight".