6441403630000 has 100 divisors (see below), whose sum is σ = 16016777365600. Its totient is φ = 2506924512000.

The previous prime is 6441403629967. The next prime is 6441403630031. The reversal of 6441403630000 is 363041446.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8334600 + ... + 9074599.

It is an arithmetic number, because the mean of its divisors is an integer number (160167773656).

Almost surely, 2^{6441403630000} is an apocalyptic number.

It is an amenable number.

6441403630000 is an abundant number, since it is smaller than the sum of its proper divisors (9575373735600).

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

6441403630000 is a wasteful number, since it uses less digits than its factorization.

6441403630000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17409264 (or 17409243 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 6441403630000 its reverse (363041446), we get a palindrome (6441766671446).

The spelling of 6441403630000 in words is "six trillion, four hundred forty-one billion, four hundred three million, six hundred thirty thousand".