214240421444 has 48 divisors (see below), whose sum is σ = 456949664640. Its totient is φ = 85794577920.

The previous prime is 214240421441. The next prime is 214240421467. The reversal of 214240421444 is 444124042412.

It is a self number, because there is not a number n which added to its sum of digits gives 214240421444.

It is not an unprimeable number, because it can be changed into a prime (214240421441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1552847 + ... + 1685174.

It is an arithmetic number, because the mean of its divisors is an integer number (9519784680).

Almost surely, 2^214240421444 is an apocalyptic number.

It is an amenable number.

214240421444 is an abundant number, since it is smaller than the sum of its proper divisors (242709243196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214240421444 is a wasteful number, since it uses less digits than its factorization.

214240421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3238188 (or 3238186 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 214240421444 its reverse (444124042412), we get a palindrome (658364463856).

The spelling of 214240421444 in words is "two hundred fourteen billion, two hundred forty million, four hundred twenty-one thousand, four hundred forty-four".