42782028724 has 24 divisors (see below), whose sum is σ = 76011784128. Its totient is φ = 21065284800.

The previous prime is 42782028697. The next prime is 42782028727.

42782028724 is nontrivially palindromic in base 10.

It is a super-3 number, since 3×42782028724³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42782028727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75699 + ... + 302149.

It is an arithmetic number, because the mean of its divisors is an integer number (3167157672).

Almost surely, 2^42782028724 is an apocalyptic number.

It is an amenable number.

42782028724 is a deficient number, since it is larger than the sum of its proper divisors (33229755404).

42782028724 is a wasteful number, since it uses less digits than its factorization.

42782028724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227175 (or 227173 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 46.

The spelling of 42782028724 in words is "forty-two billion, seven hundred eighty-two million, twenty-eight thousand, seven hundred twenty-four".