424240005 has 32 divisors (see below), whose sum is σ = 783304704. Its totient is φ = 192050496.

The previous prime is 424239983. The next prime is 424240007. The reversal of 424240005 is 500042424.

It is not a de Polignac number, because 424240005 - 2⁵ = 424239973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424240007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8799 + ... + 30428.

It is an arithmetic number, because the mean of its divisors is an integer number (24478272).

Almost surely, 2^424240005 is an apocalyptic number.

It is an amenable number.

424240005 is a deficient number, since it is larger than the sum of its proper divisors (359064699).

424240005 is a wasteful number, since it uses less digits than its factorization.

424240005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39345.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 424240005 is about 20597.0872940812. The cubic root of 424240005 is about 751.3988736921.

Adding to 424240005 its reverse (500042424), we get a palindrome (924282429).

The spelling of 424240005 in words is "four hundred twenty-four million, two hundred forty thousand, five".