2170272644 has 48 divisors (see below), whose sum is σ = 4040171520. Its totient is φ = 1017217440.

The previous prime is 2170272631. The next prime is 2170272659. The reversal of 2170272644 is 4462720712.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4456169 + ... + 4456655.

It is an arithmetic number, because the mean of its divisors is an integer number (84170240).

Almost surely, 2^2170272644 is an apocalyptic number.

It is an amenable number.

2170272644 is a deficient number, since it is larger than the sum of its proper divisors (1869898876).

2170272644 is a wasteful number, since it uses less digits than its factorization.

2170272644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 1006 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 2170272644 is about 46586.1851196253. The cubic root of 2170272644 is about 1294.7068091943.

The spelling of 2170272644 in words is "two billion, one hundred seventy million, two hundred seventy-two thousand, six hundred forty-four".