42724906028 has 12 divisors (see below), whose sum is σ = 85449812112. Its totient is φ = 18310674000.

The previous prime is 42724906027. The next prime is 42724906031. The reversal of 42724906028 is 82060942724.

42724906028 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42724906028.

It is not an unprimeable number, because it can be changed into a prime (42724906027) by changing a digit.

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, 762944723 + ... + 762944778.

It is an arithmetic number, because the mean of its divisors is an integer number (7120817676).

Almost surely, 2^42724906028 is an apocalyptic number.

It is an amenable number.

42724906028 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.

42724906028 is a wasteful number, since it uses less digits than its factorization.

42724906028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525889512 (or 1525889510 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The spelling of 42724906028 in words is "forty-two billion, seven hundred twenty-four million, nine hundred six thousand, twenty-eight".