2172042796 has 36 divisors (see below), whose sum is σ = 4823632296. Its totient is φ = 846249600.

The previous prime is 2172042793. The next prime is 2172042797. The reversal of 2172042796 is 6972402712.

2172042796 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2172042793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 501565 + ... + 505876.

It is an arithmetic number, because the mean of its divisors is an integer number (133989786).

Almost surely, 2^2172042796 is an apocalyptic number.

It is an amenable number.

2172042796 is an abundant number, since it is smaller than the sum of its proper divisors (2651589500).

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

2172042796 is a wasteful number, since it uses less digits than its factorization.

2172042796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007470 (or 1007461 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 2172042796 is about 46605.1799266991. The cubic root of 2172042796 is about 1295.0587165975.

It can be divided in two parts, 21720 and 42796, that added together give a square (64516 = 254²).

The spelling of 2172042796 in words is "two billion, one hundred seventy-two million, forty-two thousand, seven hundred ninety-six".