42748284724 has 24 divisors (see below), whose sum is σ = 75153093120. Its totient is φ = 21276046176.

The previous prime is 42748284721. The next prime is 42748284757.

It is a happy number.

42748284724 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42748284721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2790574 + ... + 2805850.

It is an arithmetic number, because the mean of its divisors is an integer number (3131378880).

Almost surely, 2^42748284724 is an apocalyptic number.

It is an amenable number.

42748284724 is a deficient number, since it is larger than the sum of its proper divisors (32404808396).

42748284724 is a wasteful number, since it uses less digits than its factorization.

42748284724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18447 (or 18445 counting only the distinct ones).

The product of its digits is 6422528, while the sum is 52.

The spelling of 42748284724 in words is "forty-two billion, seven hundred forty-eight million, two hundred eighty-four thousand, seven hundred twenty-four".