10405002321 has 12 divisors (see below), whose sum is σ = 17176511872. Its totient is φ = 5945715576.

The previous prime is 10405002317. The next prime is 10405002329. The reversal of 10405002321 is 12320050401.

It is not a de Polignac number, because 10405002321 - 2² = 10405002317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10405002294 and 10405002303.

It is not an unprimeable number, because it can be changed into a prime (10405002329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82579321 + ... + 82579446.

Almost surely, 2^10405002321 is an apocalyptic number.

It is an amenable number.

10405002321 is a deficient number, since it is larger than the sum of its proper divisors (6771509551).

10405002321 is a wasteful number, since it uses less digits than its factorization.

10405002321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165158780 (or 165158777 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

Adding to 10405002321 its reverse (12320050401), we get a palindrome (22725052722).

The spelling of 10405002321 in words is "ten billion, four hundred five million, two thousand, three hundred twenty-one".