215041200366 has 64 divisors (see below), whose sum is σ = 464217062400. Its totient is φ = 66186201600.

The previous prime is 215041200337. The next prime is 215041200379. The reversal of 215041200366 is 663002140512.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 4834146 + ... + 4878426.

It is an arithmetic number, because the mean of its divisors is an integer number (7253391600).

Almost surely, 2^215041200366 is an apocalyptic number.

215041200366 is an abundant number, since it is smaller than the sum of its proper divisors (249175862034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215041200366 is a wasteful number, since it uses less digits than its factorization.

215041200366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45385.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 215041200366 its reverse (663002140512), we get a palindrome (878043340878).

The spelling of 215041200366 in words is "two hundred fifteen billion, forty-one million, two hundred thousand, three hundred sixty-six".