4561240 has 16 divisors (see below), whose sum is σ = 10262880. Its totient is φ = 1824480.

The previous prime is 4561237. The next prime is 4561241. The reversal of 4561240 is 421654.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4561241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56976 + ... + 57055.

It is an arithmetic number, because the mean of its divisors is an integer number (641430).

Almost surely, 2^4561240 is an apocalyptic number.

4561240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4561240 is an abundant number, since it is smaller than the sum of its proper divisors (5701640).

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

4561240 is a wasteful number, since it uses less digits than its factorization.

4561240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114042 (or 114038 counting only the distinct ones).

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

The square root of 4561240 is about 2135.7059722724. The cubic root of 4561240 is about 165.8419165668.

Adding to 4561240 its reverse (421654), we get a palindrome (4982894).

The spelling of 4561240 in words is "four million, five hundred sixty-one thousand, two hundred forty".