42004212236 has 12 divisors (see below), whose sum is σ = 84008424528. Its totient is φ = 18001805232.

The previous prime is 42004212181. The next prime is 42004212293. The reversal of 42004212236 is 63221240024.

It is a happy number.

42004212236 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 750075191 + ... + 750075246.

It is an arithmetic number, because the mean of its divisors is an integer number (7000702044).

Almost surely, 2^42004212236 is an apocalyptic number.

It is an amenable number.

42004212236 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42004212236 is a wasteful number, since it uses less digits than its factorization.

42004212236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500150448 (or 1500150446 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The spelling of 42004212236 in words is "forty-two billion, four million, two hundred twelve thousand, two hundred thirty-six".