4006644211445 has 8 divisors (see below), whose sum is σ = 4808170191744. Its totient is φ = 3205183943824.

The previous prime is 4006644211411. The next prime is 4006644211447. The reversal of 4006644211445 is 5441124466004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4006644211445 - 2⁸ = 4006644211189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006644211447) 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, 16293929 + ... + 16537998.

It is an arithmetic number, because the mean of its divisors is an integer number (601021273968).

Almost surely, 2^{4006644211445} is an apocalyptic number.

It is an amenable number.

4006644211445 is a deficient number, since it is larger than the sum of its proper divisors (801525980299).

4006644211445 is a wasteful number, since it uses less digits than its factorization.

4006644211445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32856339.

The product of its (nonzero) digits is 368640, while the sum is 41.

Adding to 4006644211445 its reverse (5441124466004), we get a palindrome (9447768677449).

The spelling of 4006644211445 in words is "four trillion, six billion, six hundred forty-four million, two hundred eleven thousand, four hundred forty-five".