215540044034 has 32 divisors (see below), whose sum is σ = 372833297280. Its totient is φ = 91540576512.

The previous prime is 215540043997. The next prime is 215540044043. The reversal of 215540044034 is 430440045512.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14108552 + ... + 14123820.

It is an arithmetic number, because the mean of its divisors is an integer number (11651040540).

Almost surely, 2^215540044034 is an apocalyptic number.

215540044034 is a deficient number, since it is larger than the sum of its proper divisors (157293253246).

215540044034 is a wasteful number, since it uses less digits than its factorization.

215540044034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24314.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 215540044034 its reverse (430440045512), we get a palindrome (645980089546).

The spelling of 215540044034 in words is "two hundred fifteen billion, five hundred forty million, forty-four thousand, thirty-four".