4561140 has 48 divisors (see below), whose sum is σ = 13446720. Its totient is φ = 1152000.

The previous prime is 4561129. The next prime is 4561157. The reversal of 4561140 is 411654.

4561140 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 861 + ... + 3140.

It is an arithmetic number, because the mean of its divisors is an integer number (280140).

Almost surely, 2^4561140 is an apocalyptic number.

It is an amenable number.

4561140 is an abundant number, since it is smaller than the sum of its proper divisors (8885580).

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

4561140 is a wasteful number, since it uses less digits than its factorization.

4561140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032 (or 4030 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 4561140 is about 2135.6825606817. The cubic root of 4561140 is about 165.8407045928.

Adding to 4561140 its reverse (411654), we get a palindrome (4972794).

It can be divided in two parts, 456 and 1140, that added together give a triangular number (1596 = T₅₆).

The spelling of 4561140 in words is "four million, five hundred sixty-one thousand, one hundred forty".