215440025314 has 16 divisors (see below), whose sum is σ = 330817893120. Its totient is φ = 105186659760.

The previous prime is 215440025309. The next prime is 215440025371. The reversal of 215440025314 is 413520044512.

215440025314 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4793874 + ... + 4838605.

It is an arithmetic number, because the mean of its divisors is an integer number (20676118320).

Almost surely, 2^215440025314 is an apocalyptic number.

215440025314 is a deficient number, since it is larger than the sum of its proper divisors (115377867806).

215440025314 is a wasteful number, since it uses less digits than its factorization.

215440025314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9632745.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 215440025314 its reverse (413520044512), we get a palindrome (628960069826).

The spelling of 215440025314 in words is "two hundred fifteen billion, four hundred forty million, twenty-five thousand, three hundred fourteen".