6444253235000 has 160 divisors (see below), whose sum is σ = 17259198163680. Its totient is φ = 2209032000000.

The previous prime is 6444253234981. The next prime is 6444253235051. The reversal of 6444253235000 is 5323524446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 220520390 + ... + 220549610.

It is an arithmetic number, because the mean of its divisors is an integer number (107869988523).

Almost surely, 2^{6444253235000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6444253235000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8629599081840).

6444253235000 is an abundant number, since it is smaller than the sum of its proper divisors (10814944928680).

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

6444253235000 is a wasteful number, since it uses less digits than its factorization.

6444253235000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35555 (or 35536 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 6444253235000 its reverse (5323524446), we get a palindrome (6449576759446).

The spelling of 6444253235000 in words is "six trillion, four hundred forty-four billion, two hundred fifty-three million, two hundred thirty-five thousand".