214300440 has 96 divisors (see below), whose sum is σ = 713512800. Its totient is φ = 55749120.

The previous prime is 214300423. The next prime is 214300441. The reversal of 214300440 is 44003412.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214300441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7501 + ... + 22019.

It is an arithmetic number, because the mean of its divisors is an integer number (7432425).

Almost surely, 2^214300440 is an apocalyptic number.

214300440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 214300440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356756400).

214300440 is an abundant number, since it is smaller than the sum of its proper divisors (499212360).

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

214300440 is a wasteful number, since it uses less digits than its factorization.

214300440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14577 (or 14570 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 214300440 is about 14639.0040644847. The cubic root of 214300440 is about 598.4221878182.

Adding to 214300440 its reverse (44003412), we get a palindrome (258303852).

The spelling of 214300440 in words is "two hundred fourteen million, three hundred thousand, four hundred forty".