215728340036 has 12 divisors (see below), whose sum is σ = 411845012880. Its totient is φ = 98058336360.

The previous prime is 215728340029. The next prime is 215728340083. The reversal of 215728340036 is 630043827512.

It is a junction number, because it is equal to n+sod(n) for n = 215728339975 and 215728340002.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2451458366 + ... + 2451458453.

It is an arithmetic number, because the mean of its divisors is an integer number (34320417740).

Almost surely, 2^215728340036 is an apocalyptic number.

It is an amenable number.

215728340036 is a deficient number, since it is larger than the sum of its proper divisors (196116672844).

215728340036 is a wasteful number, since it uses less digits than its factorization.

215728340036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4902916834 (or 4902916832 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 215728340036 in words is "two hundred fifteen billion, seven hundred twenty-eight million, three hundred forty thousand, thirty-six".