424140443 has 4 divisors (see below), whose sum is σ = 425342328. Its totient is φ = 422938560.

The previous prime is 424140413. The next prime is 424140469. The reversal of 424140443 is 344041424.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 424140443 - 2⁸ = 424140187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424140413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 600413 + ... + 601118.

It is an arithmetic number, because the mean of its divisors is an integer number (106335582).

Almost surely, 2^424140443 is an apocalyptic number.

424140443 is a deficient number, since it is larger than the sum of its proper divisors (1201885).

424140443 is a wasteful number, since it uses less digits than its factorization.

424140443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201884.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 424140443 is about 20594.6702571321. The cubic root of 424140443 is about 751.3400888637.

Adding to 424140443 its reverse (344041424), we get a palindrome (768181867).

The spelling of 424140443 in words is "four hundred twenty-four million, one hundred forty thousand, four hundred forty-three".