18240252571214 has 64 divisors (see below), whose sum is σ = 30090157655040. Its totient is φ = 8266079796480.

The previous prime is 18240252571201. The next prime is 18240252571249. The reversal of 18240252571214 is 41217525204281.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 39055127 + ... + 39519405.

It is an arithmetic number, because the mean of its divisors is an integer number (470158713360).

Almost surely, 2^{18240252571214} is an apocalyptic number.

18240252571214 is a deficient number, since it is larger than the sum of its proper divisors (11849905083826).

18240252571214 is a wasteful number, since it uses less digits than its factorization.

18240252571214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464945.

The product of its (nonzero) digits is 358400, while the sum is 44.

Adding to 18240252571214 its reverse (41217525204281), we get a palindrome (59457777775495).

The spelling of 18240252571214 in words is "eighteen trillion, two hundred forty billion, two hundred fifty-two million, five hundred seventy-one thousand, two hundred fourteen".