28540684059 has 16 divisors (see below), whose sum is σ = 38928691200. Its totient is φ = 18591249600.

The previous prime is 28540684021. The next prime is 28540684063. The reversal of 28540684059 is 95048604582.

It is a happy number.

It is not a de Polignac number, because 28540684059 - 2¹¹ = 28540682011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28540684079) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83659 + ... + 253140.

It is an arithmetic number, because the mean of its divisors is an integer number (2433043200).

Almost surely, 2^28540684059 is an apocalyptic number.

28540684059 is a deficient number, since it is larger than the sum of its proper divisors (10388007141).

28540684059 is a wasteful number, since it uses less digits than its factorization.

28540684059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337450.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 28540684059 in words is "twenty-eight billion, five hundred forty million, six hundred eighty-four thousand, fifty-nine".