424020131332 has 144 divisors (see below), whose sum is σ = 911013143040. Its totient is φ = 171841824000.

The previous prime is 424020131303. The next prime is 424020131363. The reversal of 424020131332 is 233131020424.

It is a junction number, because it is equal to n+sod(n) for n = 424020131297 and 424020131306.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 344451157 + ... + 344452387.

It is an arithmetic number, because the mean of its divisors is an integer number (6326480160).

Almost surely, 2^424020131332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424020131332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (455506571520).

424020131332 is an abundant number, since it is smaller than the sum of its proper divisors (486993011708).

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

424020131332 is a wasteful number, since it uses less digits than its factorization.

424020131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2082 (or 2073 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 424020131332 its reverse (233131020424), we get a palindrome (657151151756).

The spelling of 424020131332 in words is "four hundred twenty-four billion, twenty million, one hundred thirty-one thousand, three hundred thirty-two".