424402005 has 32 divisors (see below), whose sum is σ = 693950976. Its totient is φ = 221405184.

The previous prime is 424401941. The next prime is 424402007. The reversal of 424402005 is 500204424.

It is not a de Polignac number, because 424402005 - 2⁶ = 424401941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424402007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367509 + ... + 368661.

It is an arithmetic number, because the mean of its divisors is an integer number (21685968).

Almost surely, 2^424402005 is an apocalyptic number.

It is an amenable number.

424402005 is a deficient number, since it is larger than the sum of its proper divisors (269548971).

424402005 is a wasteful number, since it uses less digits than its factorization.

424402005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677.

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

The square root of 424402005 is about 20601.0195136066. The cubic root of 424402005 is about 751.4945044084.

Adding to 424402005 its reverse (500204424), we get a palindrome (924606429).

The spelling of 424402005 in words is "four hundred twenty-four million, four hundred two thousand, five".