1004434543232 has 64 divisors (see below), whose sum is σ = 2120665539240. Its totient is φ = 472243077120.

The previous prime is 1004434543159. The next prime is 1004434543237. The reversal of 1004434543232 is 2323454344001.

It can be written as a sum of positive squares in 4 ways, for example, as 897233306176 + 107201237056 = 947224^2 + 327416^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1004434543192 and 1004434543201.

It is not an unprimeable number, because it can be changed into a prime (1004434543237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2176682 + ... + 2597462.

Almost surely, 2^{1004434543232} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004434543232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1060332769620).

1004434543232 is an abundant number, since it is smaller than the sum of its proper divisors (1116230996008).

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

1004434543232 is a wasteful number, since it uses less digits than its factorization.

1004434543232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421909 (or 421897 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 1004434543232 its reverse (2323454344001), we get a palindrome (3327888887233).

The spelling of 1004434543232 in words is "one trillion, four billion, four hundred thirty-four million, five hundred forty-three thousand, two hundred thirty-two".