6464244604244 has 24 divisors (see below), whose sum is σ = 13490597436288. Its totient is φ = 2649938781600.

The previous prime is 6464244604243. The next prime is 6464244604253. The reversal of 6464244604244 is 4424064424646.

It is a junction number, because it is equal to n+sod(n) for n = 6464244604192 and 6464244604201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464244604243) 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, 5018822807 + ... + 5018824094.

It is an arithmetic number, because the mean of its divisors is an integer number (562108226512).

Almost surely, 2^{6464244604244} is an apocalyptic number.

It is an amenable number.

6464244604244 is an abundant number, since it is smaller than the sum of its proper divisors (7026352832044).

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

6464244604244 is a wasteful number, since it uses less digits than its factorization.

6464244604244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10037646935 (or 10037646933 counting only the distinct ones).

The product of its (nonzero) digits is 14155776, while the sum is 50.

The spelling of 6464244604244 in words is "six trillion, four hundred sixty-four billion, two hundred forty-four million, six hundred four thousand, two hundred forty-four".