4505940 has 36 divisors (see below), whose sum is σ = 13668564. Its totient is φ = 1201536.

The previous prime is 4505929. The next prime is 4505947. The reversal of 4505940 is 495054.

It can be written as a sum of positive squares in 2 ways, for example, as 956484 + 3549456 = 978^2 + 1884^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12337 + ... + 12696.

Almost surely, 2^4505940 is an apocalyptic number.

It is an amenable number.

4505940 is an abundant number, since it is smaller than the sum of its proper divisors (9162624).

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

4505940 is a wasteful number, since it uses less digits than its factorization.

4505940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25048 (or 25043 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4505940 is about 2122.7199532675. The cubic root of 4505940 is about 165.1689729050.

It can be divided in two parts, 4505 and 940, that added together give a palindrome (5445).

The spelling of 4505940 in words is "four million, five hundred five thousand, nine hundred forty".