6441255452 has 12 divisors (see below), whose sum is σ = 11291019600. Its totient is φ = 3215249856.

The previous prime is 6441255449. The next prime is 6441255461. The reversal of 6441255452 is 2545521446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1341773 + ... + 1346564.

It is an arithmetic number, because the mean of its divisors is an integer number (940918300).

Almost surely, 2^6441255452 is an apocalyptic number.

It is an amenable number.

6441255452 is a deficient number, since it is larger than the sum of its proper divisors (4849764148).

6441255452 is a wasteful number, since it uses less digits than its factorization.

6441255452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688940 (or 2688938 counting only the distinct ones).

The product of its digits is 192000, while the sum is 38.

The square root of 6441255452 is about 80257.4323785654. The cubic root of 6441255452 is about 1860.6163845297.

Adding to 6441255452 its reverse (2545521446), we get a palindrome (8986776898).

The spelling of 6441255452 in words is "six billion, four hundred forty-one million, two hundred fifty-five thousand, four hundred fifty-two".