42071227436 has 12 divisors (see below), whose sum is σ = 84142454928. Its totient is φ = 18030526032.

The previous prime is 42071227427. The next prime is 42071227441. The reversal of 42071227436 is 63472217024.

It is a happy number.

42071227436 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42071227436.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 751271891 + ... + 751271946.

It is an arithmetic number, because the mean of its divisors is an integer number (7011871244).

Almost surely, 2^42071227436 is an apocalyptic number.

It is an amenable number.

42071227436 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.

42071227436 is a wasteful number, since it uses less digits than its factorization.

42071227436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502543848 (or 1502543846 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The spelling of 42071227436 in words is "forty-two billion, seventy-one million, two hundred twenty-seven thousand, four hundred thirty-six".