1004320420432 has 40 divisors (see below), whose sum is σ = 2223900605696. Its totient is φ = 430413699456.

The previous prime is 1004320420417. The next prime is 1004320420459. The reversal of 1004320420432 is 2340240234001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1004320420397 and 1004320420406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8344393 + ... + 8463895.

Almost surely, 2^{1004320420432} is an apocalyptic number.

It is an amenable number.

1004320420432 is an abundant number, since it is smaller than the sum of its proper divisors (1219580185264).

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

1004320420432 is a wasteful number, since it uses less digits than its factorization.

1004320420432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194555 (or 194549 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 1004320420432 its reverse (2340240234001), we get a palindrome (3344560654433).

The spelling of 1004320420432 in words is "one trillion, four billion, three hundred twenty million, four hundred twenty thousand, four hundred thirty-two".