42520404302 has 16 divisors (see below), whose sum is σ = 66633213600. Its totient is φ = 20323850400.

The previous prime is 42520404293. The next prime is 42520404337. The reversal of 42520404302 is 20340402524.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3623402 + ... + 3635117.

It is an arithmetic number, because the mean of its divisors is an integer number (4164575850).

Almost surely, 2^42520404302 is an apocalyptic number.

42520404302 is a deficient number, since it is larger than the sum of its proper divisors (24112809298).

42520404302 is a wasteful number, since it uses less digits than its factorization.

42520404302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7258651.

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

Adding to 42520404302 its reverse (20340402524), we get a palindrome (62860806826).

The spelling of 42520404302 in words is "forty-two billion, five hundred twenty million, four hundred four thousand, three hundred two".