424332135220 has 48 divisors (see below), whose sum is σ = 1019226176640. Its totient is φ = 145366867584.

The previous prime is 424332135211. The next prime is 424332135223. The reversal of 424332135220 is 22531233424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424332135223) 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, 1061034 + ... + 1405153.

It is an arithmetic number, because the mean of its divisors is an integer number (21233878680).

Almost surely, 2^424332135220 is an apocalyptic number.

It is an amenable number.

424332135220 is an abundant number, since it is smaller than the sum of its proper divisors (594894041420).

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

424332135220 is a wasteful number, since it uses less digits than its factorization.

424332135220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467432 (or 2467430 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 424332135220 its reverse (22531233424), we get a palindrome (446863368644).

The spelling of 424332135220 in words is "four hundred twenty-four billion, three hundred thirty-two million, one hundred thirty-five thousand, two hundred twenty".