242404005 has 16 divisors (see below), whose sum is σ = 388048320. Its totient is φ = 129214848.

The previous prime is 242403991. The next prime is 242404009. The reversal of 242404005 is 500404242.

It is not a de Polignac number, because 242404005 - 2⁴ = 242403989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242404009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41814 + ... + 47256.

It is an arithmetic number, because the mean of its divisors is an integer number (24253020).

Almost surely, 2^242404005 is an apocalyptic number.

It is an amenable number.

242404005 is a deficient number, since it is larger than the sum of its proper divisors (145644315).

242404005 is a wasteful number, since it uses less digits than its factorization.

242404005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420.

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

The square root of 242404005 is about 15569.3289836139. The cubic root of 242404005 is about 623.5145565963.

Adding to 242404005 its reverse (500404242), we get a palindrome (742808247).

The spelling of 242404005 in words is "two hundred forty-two million, four hundred four thousand, five".