6442604401 has 8 divisors (see below), whose sum is σ = 6461632800. Its totient is φ = 6423592800.

The previous prime is 6442604381. The next prime is 6442604407. The reversal of 6442604401 is 1044062446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6442604401 - 2¹⁵ = 6442571633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6442604407) 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, 1445226 + ... + 1449676.

It is an arithmetic number, because the mean of its divisors is an integer number (807704100).

Almost surely, 2^6442604401 is an apocalyptic number.

It is an amenable number.

6442604401 is a deficient number, since it is larger than the sum of its proper divisors (19028399).

6442604401 is a wasteful number, since it uses less digits than its factorization.

6442604401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8399.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 6442604401 is about 80265.8358269569. The cubic root of 6442604401 is about 1860.7462609408.

Adding to 6442604401 its reverse (1044062446), we get a palindrome (7486666847).

The spelling of 6442604401 in words is "six billion, four hundred forty-two million, six hundred four thousand, four hundred one".