4400005644056 has 32 divisors (see below), whose sum is σ = 9473696366400. Its totient is φ = 1894739271840.

The previous prime is 4400005643977. The next prime is 4400005644179. The reversal of 4400005644056 is 6504465000044.

It is a super-2 number, since 2×4400005644056² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 in 7 ways as a sum of consecutive naturals, for example, 1315789490 + ... + 1315792833.

It is an arithmetic number, because the mean of its divisors is an integer number (296053011450).

Almost surely, 2^{4400005644056} is an apocalyptic number.

It is an amenable number.

4400005644056 is an abundant number, since it is smaller than the sum of its proper divisors (5073690722344).

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

4400005644056 is a wasteful number, since it uses less digits than its factorization.

4400005644056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631582359 (or 2631582355 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 4400005644056 in words is "four trillion, four hundred billion, five million, six hundred forty-four thousand, fifty-six".