214404440 has 16 divisors (see below), whose sum is σ = 482410080. Its totient is φ = 85761760.

The previous prime is 214404419. The next prime is 214404467. The reversal of 214404440 is 44404412.

214404440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2680016 + ... + 2680095.

It is an arithmetic number, because the mean of its divisors is an integer number (30150630).

Almost surely, 2^214404440 is an apocalyptic number.

214404440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214404440 is an abundant number, since it is smaller than the sum of its proper divisors (268005640).

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

214404440 is a wasteful number, since it uses less digits than its factorization.

214404440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360122 (or 5360118 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 214404440 is about 14642.5557878398. Note that the first 3 decimals coincide. The cubic root of 214404440 is about 598.5189769219.

Adding to 214404440 its reverse (44404412), we get a palindrome (258808852).

The spelling of 214404440 in words is "two hundred fourteen million, four hundred four thousand, four hundred forty".