1444001626616 has 8 divisors (see below), whose sum is σ = 2707503049920. Its totient is φ = 722000813304.

The previous prime is 1444001626607. The next prime is 1444001626621. The reversal of 1444001626616 is 6166261004441.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1444001626616² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 90250101656 + ... + 90250101671.

It is an arithmetic number, because the mean of its divisors is an integer number (338437881240).

Almost surely, 2^{1444001626616} is an apocalyptic number.

It is an amenable number.

1444001626616 is a deficient number, since it is larger than the sum of its proper divisors (1263501423304).

1444001626616 is a wasteful number, since it uses less digits than its factorization.

1444001626616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180500203333 (or 180500203329 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 1444001626616 in words is "one trillion, four hundred forty-four billion, one million, six hundred twenty-six thousand, six hundred sixteen".