10404402321 has 16 divisors (see below), whose sum is σ = 13911004800. Its totient is φ = 6917058048.

The previous prime is 10404402319. The next prime is 10404402343. The reversal of 10404402321 is 12320440401.

It is not a de Polignac number, because 10404402321 - 2¹ = 10404402319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10404402301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2882700 + ... + 2886306.

It is an arithmetic number, because the mean of its divisors is an integer number (869437800).

Almost surely, 2^10404402321 is an apocalyptic number.

It is an amenable number.

10404402321 is a deficient number, since it is larger than the sum of its proper divisors (3506602479).

10404402321 is a wasteful number, since it uses less digits than its factorization.

10404402321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6008.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 10404402321 its reverse (12320440401), we get a palindrome (22724842722).

The spelling of 10404402321 in words is "ten billion, four hundred four million, four hundred two thousand, three hundred twenty-one".