2144560 has 40 divisors (see below), whose sum is σ = 5441616. Its totient is φ = 779520.

The previous prime is 2144551. The next prime is 2144609. The reversal of 2144560 is 654412.

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

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an Ulam number.

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, 339 + ... + 2098.

2^2144560 is an apocalyptic number.

2144560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2144560 is an abundant number, since it is smaller than the sum of its proper divisors (3297056).

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

2144560 is a wasteful number, since it uses less digits than its factorization.

2144560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461 (or 2455 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2144560 is about 1464.4316303604. The cubic root of 2144560 is about 128.9573402198.

Adding to 2144560 its reverse (654412), we get a palindrome (2798972).

It can be divided in two parts, 2144 and 560, that added together give a square (2704 = 52²).

The spelling of 2144560 in words is "two million, one hundred forty-four thousand, five hundred sixty".