424404155 has 16 divisors (see below), whose sum is σ = 586629120. Its totient is φ = 288725472.

The previous prime is 424404151. The next prime is 424404163. The reversal of 424404155 is 551404424.

It is not a de Polignac number, because 424404155 - 2² = 424404151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (424404151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43295 + ... + 52184.

It is an arithmetic number, because the mean of its divisors is an integer number (36664320).

Almost surely, 2^424404155 is an apocalyptic number.

424404155 is a deficient number, since it is larger than the sum of its proper divisors (162224965).

424404155 is a wasteful number, since it uses less digits than its factorization.

424404155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95618.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 424404155 is about 20601.0716954240. The cubic root of 424404155 is about 751.4957734179.

Adding to 424404155 its reverse (551404424), we get a palindrome (975808579).

The spelling of 424404155 in words is "four hundred twenty-four million, four hundred four thousand, one hundred fifty-five".