214524440247 has 48 divisors (see below), whose sum is σ = 325563463680. Its totient is φ = 124888889664.

The previous prime is 214524440243. The next prime is 214524440293. The reversal of 214524440247 is 742044425412.

It is a happy number.

It is not a de Polignac number, because 214524440247 - 2² = 214524440243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214524440243) 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 47 ways as a sum of consecutive naturals, for example, 10224954 + ... + 10245912.

It is an arithmetic number, because the mean of its divisors is an integer number (6782572160).

Almost surely, 2^214524440247 is an apocalyptic number.

214524440247 is a deficient number, since it is larger than the sum of its proper divisors (111039023433).

214524440247 is a wasteful number, since it uses less digits than its factorization.

214524440247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21740 (or 21721 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 39.

Adding to 214524440247 its reverse (742044425412), we get a palindrome (956568865659).

The spelling of 214524440247 in words is "two hundred fourteen billion, five hundred twenty-four million, four hundred forty thousand, two hundred forty-seven".