450140015215 has 24 divisors (see below), whose sum is σ = 593793587520. Its totient is φ = 327344128320.

The previous prime is 450140015189. The next prime is 450140015219. The reversal of 450140015215 is 512510041054.

It is not a de Polignac number, because 450140015215 - 2¹⁵ = 450139982447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450140015219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8034921 + ... + 8090749.

It is an arithmetic number, because the mean of its divisors is an integer number (24741399480).

Almost surely, 2^450140015215 is an apocalyptic number.

450140015215 is a deficient number, since it is larger than the sum of its proper divisors (143653572305).

450140015215 is a wasteful number, since it uses less digits than its factorization.

450140015215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69183 (or 69172 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 28.

Adding to 450140015215 its reverse (512510041054), we get a palindrome (962650056269).

The spelling of 450140015215 in words is "four hundred fifty billion, one hundred forty million, fifteen thousand, two hundred fifteen".