644010350601452 has 12 divisors (see below), whose sum is σ = 1129019921928696. Its totient is φ = 321433230050400.

The previous prime is 644010350601421. The next prime is 644010350601461. The reversal of 644010350601452 is 254106053010446.

644010350601452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 142986310049 + ... + 142986314552.

It is an arithmetic number, because the mean of its divisors is an integer number (94084993494058).

Almost surely, 2^{644010350601452} is an apocalyptic number.

It is an amenable number.

644010350601452 is a deficient number, since it is larger than the sum of its proper divisors (485009571327244).

644010350601452 is a wasteful number, since it uses less digits than its factorization.

644010350601452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285972625168 (or 285972625166 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 644010350601452 in words is "six hundred forty-four trillion, ten billion, three hundred fifty million, six hundred one thousand, four hundred fifty-two".