6444064446402 has 24 divisors (see below), whose sum is σ = 14166290437488. Its totient is φ = 1952746801720.

The previous prime is 6444064446383. The next prime is 6444064446427. The reversal of 6444064446402 is 2046444604446.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4438060188 + ... + 4438061639.

It is an arithmetic number, because the mean of its divisors is an integer number (590262101562).

Almost surely, 2^{6444064446402} is an apocalyptic number.

6444064446402 is an abundant number, since it is smaller than the sum of its proper divisors (7722225991086).

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

6444064446402 is a wasteful number, since it uses less digits than its factorization.

6444064446402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8876121854 (or 8876121843 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 48.

The spelling of 6444064446402 in words is "six trillion, four hundred forty-four billion, sixty-four million, four hundred forty-six thousand, four hundred two".