4400064406068 has 48 divisors (see below), whose sum is σ = 10948954242240. Its totient is φ = 1370481329664.

The previous prime is 4400064406061. The next prime is 4400064406103. The reversal of 4400064406068 is 8606044600044.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400064406061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77557771 + ... + 77614482.

It is an arithmetic number, because the mean of its divisors is an integer number (228103213380).

Almost surely, 2^{4400064406068} is an apocalyptic number.

It is an amenable number.

4400064406068 is an abundant number, since it is smaller than the sum of its proper divisors (6548889836172).

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

4400064406068 is a wasteful number, since it uses less digits than its factorization.

4400064406068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155172416 (or 155172414 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 42.

The spelling of 4400064406068 in words is "four trillion, four hundred billion, sixty-four million, four hundred six thousand, sixty-eight".