2177427320044 has 24 divisors (see below), whose sum is σ = 3913312919040. Its totient is φ = 1059596732496.

The previous prime is 2177427320021. The next prime is 2177427320087. The reversal of 2177427320044 is 4400237247712.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32318472 + ... + 32385775.

It is an arithmetic number, because the mean of its divisors is an integer number (163054704960).

Almost surely, 2^{2177427320044} is an apocalyptic number.

It is an amenable number.

2177427320044 is a deficient number, since it is larger than the sum of its proper divisors (1735885598996).

2177427320044 is a wasteful number, since it uses less digits than its factorization.

2177427320044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64704477 (or 64704475 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 43.

The spelling of 2177427320044 in words is "two trillion, one hundred seventy-seven billion, four hundred twenty-seven million, three hundred twenty thousand, forty-four".