2175552240 has 40 divisors (see below), whose sum is σ = 6744212688. Its totient is φ = 580147200.

The previous prime is 2175552187. The next prime is 2175552257. The reversal of 2175552240 is 422555712.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4532161 + ... + 4532640.

Almost surely, 2^2175552240 is an apocalyptic number.

2175552240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2175552240 is an abundant number, since it is smaller than the sum of its proper divisors (4568660448).

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

2175552240 is a wasteful number, since it uses less digits than its factorization.

2175552240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9064817 (or 9064811 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 2175552240 is about 46642.8155239368. The cubic root of 2175552240 is about 1295.7558315351.

The spelling of 2175552240 in words is "two billion, one hundred seventy-five million, five hundred fifty-two thousand, two hundred forty".