424440131 has 8 divisors (see below), whose sum is σ = 428155728. Its totient is φ = 420732000.

The previous prime is 424440097. The next prime is 424440161. The reversal of 424440131 is 131044424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 424440131 - 2⁶ = 424440067 is a prime.

It is a super-2 number, since 2×424440131² = 360298849606594322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424440097 and 424440106.

It is not an unprimeable number, because it can be changed into a prime (424440161) 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 7 ways as a sum of consecutive naturals, for example, 227141 + ... + 229001.

It is an arithmetic number, because the mean of its divisors is an integer number (53519466).

Almost surely, 2^424440131 is an apocalyptic number.

424440131 is a deficient number, since it is larger than the sum of its proper divisors (3715597).

424440131 is a wasteful number, since it uses less digits than its factorization.

424440131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 424440131 is about 20601.9448353790. The cubic root of 424440131 is about 751.5170071466.

Adding to 424440131 its reverse (131044424), we get a palindrome (555484555).

The spelling of 424440131 in words is "four hundred twenty-four million, four hundred forty thousand, one hundred thirty-one".