6441245000 has 40 divisors (see below), whose sum is σ = 15091848750. Its totient is φ = 2576496000.

The previous prime is 6441244993. The next prime is 6441245021. The reversal of 6441245000 is 5421446.

It can be written as a sum of positive squares in 5 ways, for example, as 340697764 + 6100547236 = 18458^2 + 78106^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 639125 + ... + 649124.

Almost surely, 2^6441245000 is an apocalyptic number.

It is an amenable number.

6441245000 is an abundant number, since it is smaller than the sum of its proper divisors (8650603750).

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

6441245000 is a wasteful number, since it uses less digits than its factorization.

6441245000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288275 (or 1288256 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 6441245000 is about 80257.3672630744. The cubic root of 6441245000 is about 1860.6153781435.

Adding to 6441245000 its reverse (5421446), we get a palindrome (6446666446).

The spelling of 6441245000 in words is "six billion, four hundred forty-one million, two hundred forty-five thousand".