214230144240440 has 32 divisors (see below), whose sum is σ = 482065254150480. Its totient is φ = 85683625765632.

The previous prime is 214230144240401. The next prime is 214230144240449. The reversal of 214230144240440 is 44042441032412.

It is a self number, because there is not a number n which added to its sum of digits gives 214230144240440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214230144240449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263086229 + ... + 263899268.

Almost surely, 2^{214230144240440} is an apocalyptic number.

214230144240440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214230144240440 is an abundant number, since it is smaller than the sum of its proper divisors (267835109910040).

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

214230144240440 is a wasteful number, since it uses less digits than its factorization.

214230144240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526995671 (or 526995667 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 214230144240440 its reverse (44042441032412), we get a palindrome (258272585272852).

The spelling of 214230144240440 in words is "two hundred fourteen trillion, two hundred thirty billion, one hundred forty-four million, two hundred forty thousand, four hundred forty".