4452540 has 24 divisors (see below), whose sum is σ = 12467280. Its totient is φ = 1187328.

The previous prime is 4452533. The next prime is 4452571. The reversal of 4452540 is 452544.

It is a super-2 number, since 2×4452540² = 39650224903200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4452540.

It is a congruent 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, 37045 + ... + 37164.

It is an arithmetic number, because the mean of its divisors is an integer number (519470).

Almost surely, 2^4452540 is an apocalyptic number.

It is an amenable number.

4452540 is an abundant number, since it is smaller than the sum of its proper divisors (8014740).

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

4452540 is a wasteful number, since it uses less digits than its factorization.

4452540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74221 (or 74219 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 4452540 is about 2110.1042628268. The cubic root of 4452540 is about 164.5139045228.

The spelling of 4452540 in words is "four million, four hundred fifty-two thousand, five hundred forty".