2173336940 has 24 divisors (see below), whose sum is σ = 4583113920. Its totient is φ = 865695488.

The previous prime is 2173336931. The next prime is 2173336951. The reversal of 2173336940 is 496333712.

It is a junction number, because it is equal to n+sod(n) for n = 2173336894 and 2173336903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 222557 + ... + 232116.

It is an arithmetic number, because the mean of its divisors is an integer number (190963080).

Almost surely, 2^2173336940 is an apocalyptic number.

2173336940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2173336940 is an abundant number, since it is smaller than the sum of its proper divisors (2409776980).

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

2173336940 is a wasteful number, since it uses less digits than its factorization.

2173336940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454921 (or 454919 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 2173336940 is about 46619.0619811253. The cubic root of 2173336940 is about 1295.3158723218.

The spelling of 2173336940 in words is "two billion, one hundred seventy-three million, three hundred thirty-six thousand, nine hundred forty".