1064644541444 has 96 divisors (see below), whose sum is σ = 2092726056960. Its totient is φ = 469808438400.

The previous prime is 1064644541419. The next prime is 1064644541447. The reversal of 1064644541444 is 4441454464601.

1064644541444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1064644541444² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064644541447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352646567 + ... + 352649585.

It is an arithmetic number, because the mean of its divisors is an integer number (21799229760).

Almost surely, 2^{1064644541444} is an apocalyptic number.

It is an amenable number.

1064644541444 is a deficient number, since it is larger than the sum of its proper divisors (1028081515516).

1064644541444 is a wasteful number, since it uses less digits than its factorization.

1064644541444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4761 (or 4759 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 47.

The spelling of 1064644541444 in words is "one trillion, sixty-four billion, six hundred forty-four million, five hundred forty-one thousand, four hundred forty-four".