2175472440 has 96 divisors (see below), whose sum is σ = 7077470400. Its totient is φ = 579536640.

The previous prime is 2175472363. The next prime is 2175472451. The reversal of 2175472440 is 442745712.

2175472440 is a `hidden beast` number, since 2 + 175 + 47 + 2 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2175472395 and 2175472404.

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 23 ways as a sum of consecutive naturals, for example, 440706 + ... + 445614.

It is an arithmetic number, because the mean of its divisors is an integer number (73723650).

Almost surely, 2^2175472440 is an apocalyptic number.

2175472440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2175472440 is an abundant number, since it is smaller than the sum of its proper divisors (4901997960).

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

2175472440 is a wasteful number, since it uses less digits than its factorization.

2175472440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6157 (or 6150 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

The square root of 2175472440 is about 46641.9600788818. The cubic root of 2175472440 is about 1295.7399884191.

The spelling of 2175472440 in words is "two billion, one hundred seventy-five million, four hundred seventy-two thousand, four hundred forty".