424140 has 24 divisors (see below), whose sum is σ = 1187760. Its totient is φ = 113088.

The previous prime is 424139. The next prime is 424147. The reversal of 424140 is 41424.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a plaindrome in base 16.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3475 + ... + 3594.

It is an arithmetic number, because the mean of its divisors is an integer number (49490).

2⁴²⁴¹⁴⁰ is an apocalyptic number.

It is an amenable number.

424140 is an abundant number, since it is smaller than the sum of its proper divisors (763620).

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

424140 is a wasteful number, since it uses less digits than its factorization.

424140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7081 (or 7079 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 424140 is about 651.2603166169. The cubic root of 424140 is about 75.1339827281.

Adding to 424140 its reverse (41424), we get a palindrome (465564).

The spelling of 424140 in words is "four hundred twenty-four thousand, one hundred forty", and thus it is an iban number.