28520368342282 has 16 divisors (see below), whose sum is σ = 43912241471520. Its totient is φ = 13887472239088.

The previous prime is 28520368342267. The next prime is 28520368342283. The reversal of 28520368342282 is 28224386302582.

It is a super-2 number, since 2×28520368342282² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28520368342283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129417453 + ... + 1129442704.

It is an arithmetic number, because the mean of its divisors is an integer number (2744515091970).

Almost surely, 2^{28520368342282} is an apocalyptic number.

28520368342282 is a deficient number, since it is larger than the sum of its proper divisors (15391873129238).

28520368342282 is a wasteful number, since it uses less digits than its factorization.

28520368342282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258860325.

The product of its (nonzero) digits is 17694720, while the sum is 55.

The spelling of 28520368342282 in words is "twenty-eight trillion, five hundred twenty billion, three hundred sixty-eight million, three hundred forty-two thousand, two hundred eighty-two".