2175040 has 56 divisors (see below), whose sum is σ = 5925312. Its totient is φ = 744960.

The previous prime is 2175023. The next prime is 2175059. The reversal of 2175040 is 405712.

It is a tau number, because it is divible by the number of its divisors (56).

It is a junction number, because it is equal to n+sod(n) for n = 2174999 and 2175017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1755 + ... + 2725.

2^2175040 is an apocalyptic number.

2175040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2175040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2962656).

2175040 is an abundant number, since it is smaller than the sum of its proper divisors (3750272).

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

2175040 is an equidigital number, since it uses as much as digits as its factorization.

2175040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 2175040 is about 1474.8016815830. The cubic root of 2175040 is about 129.5654127080.

The spelling of 2175040 in words is "two million, one hundred seventy-five thousand, forty".