42724297628 has 12 divisors (see below), whose sum is σ = 75883454472. Its totient is φ = 21043310640.

The previous prime is 42724297613. The next prime is 42724297667. The reversal of 42724297628 is 82679242724.

It is a self number, because there is not a number n which added to its sum of digits gives 42724297628.

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 3 ways as a sum of consecutive naturals, for example, 79709243 + ... + 79709778.

It is an arithmetic number, because the mean of its divisors is an integer number (6323621206).

Almost surely, 2^42724297628 is an apocalyptic number.

It is an amenable number.

42724297628 is a deficient number, since it is larger than the sum of its proper divisors (33159156844).

42724297628 is a wasteful number, since it uses less digits than its factorization.

42724297628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159419092 (or 159419090 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 53.

The spelling of 42724297628 in words is "forty-two billion, seven hundred twenty-four million, two hundred ninety-seven thousand, six hundred twenty-eight".