52742261872 has 80 divisors (see below), whose sum is σ = 104562057600. Its totient is φ = 25767106560.

The previous prime is 52742261867. The next prime is 52742261879. The reversal of 52742261872 is 27816224725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52742261879) 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 15 ways as a sum of consecutive naturals, for example, 61542468 + ... + 61543324.

It is an arithmetic number, because the mean of its divisors is an integer number (1307025720).

Almost surely, 2^52742261872 is an apocalyptic number.

It is an amenable number.

52742261872 is a deficient number, since it is larger than the sum of its proper divisors (51819795728).

52742261872 is a wasteful number, since it uses less digits than its factorization.

52742261872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394 (or 1388 counting only the distinct ones).

The product of its digits is 752640, while the sum is 46.

The spelling of 52742261872 in words is "fifty-two billion, seven hundred forty-two million, two hundred sixty-one thousand, eight hundred seventy-two".