424140424420 has 24 divisors (see below), whose sum is σ = 891769347000. Its totient is φ = 169451511552.

The previous prime is 424140424369. The next prime is 424140424423. The reversal of 424140424420 is 24424041424.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4827192484 + 419313231936 = 69478^2 + 647544^2 .

It is not an unprimeable number, because it can be changed into a prime (424140424423) 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 7 ways as a sum of consecutive naturals, for example, 12774145 + ... + 12807304.

It is an arithmetic number, because the mean of its divisors is an integer number (37157056125).

Almost surely, 2^424140424420 is an apocalyptic number.

It is an amenable number.

424140424420 is an abundant number, since it is smaller than the sum of its proper divisors (467628922580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424140424420 is a wasteful number, since it uses less digits than its factorization.

424140424420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25582287 (or 25582285 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 424140424420 its reverse (24424041424), we get a palindrome (448564465844).

The spelling of 424140424420 in words is "four hundred twenty-four billion, one hundred forty million, four hundred twenty-four thousand, four hundred twenty".