4140424 has 8 divisors (see below), whose sum is σ = 7763310. Its totient is φ = 2070208.

The previous prime is 4140421. The next prime is 4140439. The reversal of 4140424 is 4240414.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 1483524 = 1630^2 + 1218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×4140424² = 34286221799552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4140421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 258769 + ... + 258784.

Almost surely, 2^4140424 is an apocalyptic number.

It is an amenable number.

4140424 is a deficient number, since it is larger than the sum of its proper divisors (3622886).

4140424 is a wasteful number, since it uses less digits than its factorization.

4140424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517559 (or 517555 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4140424 is about 2034.8031845857. The cubic root of 4140424 is about 160.5763588227.

Adding to 4140424 its reverse (4240414), we get a palindrome (8380838).

The spelling of 4140424 in words is "four million, one hundred forty thousand, four hundred twenty-four".