42520404230 has 32 divisors (see below), whose sum is σ = 80226847008. Its totient is φ = 16207430400.

The previous prime is 42520404229. The next prime is 42520404253. The reversal of 42520404230 is 3240402524.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42520404230.

It is a congruent number.

It is an unprimeable number.

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, 1188281 + ... + 1223540.

It is an arithmetic number, because the mean of its divisors is an integer number (2507088969).

Almost surely, 2^42520404230 is an apocalyptic number.

42520404230 is a deficient number, since it is larger than the sum of its proper divisors (37706442778).

42520404230 is a wasteful number, since it uses less digits than its factorization.

42520404230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2411912.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 42520404230 its reverse (3240402524), we get a palindrome (45760806754).

The spelling of 42520404230 in words is "forty-two billion, five hundred twenty million, four hundred four thousand, two hundred thirty".