4424540 has 12 divisors (see below), whose sum is σ = 9291576. Its totient is φ = 1769808.

The previous prime is 4424531. The next prime is 4424561. The reversal of 4424540 is 454244.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110594 + ... + 110633.

It is an arithmetic number, because the mean of its divisors is an integer number (774298).

Almost surely, 2^4424540 is an apocalyptic number.

It is an amenable number.

4424540 is an abundant number, since it is smaller than the sum of its proper divisors (4867036).

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

4424540 is a wasteful number, since it uses less digits than its factorization.

4424540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221236 (or 221234 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 4424540 is about 2103.4590559362. The cubic root of 4424540 is about 164.1683280629.

Adding to 4424540 its reverse (454244), we get a palindrome (4878784).

The spelling of 4424540 in words is "four million, four hundred twenty-four thousand, five hundred forty".