234444420 has 216 divisors, whose sum is σ = 871416000. Its totient is φ = 50730624.

The previous prime is 234444409. The next prime is 234444443. The reversal of 234444420 is 24444432.

It is a happy number.

234444420 is a `hidden beast` number, since 234 + 4 + 4 + 4 + 420 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 166881 + ... + 168279.

Almost surely, 2^234444420 is an apocalyptic number.

234444420 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 234444420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435708000).

234444420 is an abundant number, since it is smaller than the sum of its proper divisors (636971580).

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

234444420 is a wasteful number, since it uses less digits than its factorization.

234444420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 234444420 is about 15311.5779722405. The cubic root of 234444420 is about 616.6138852642.

Adding to 234444420 its reverse (24444432), we get a palindrome (258888852).

It can be divided in two parts, 2344 and 44420, that added together give a palindrome (46764).

The spelling of 234444420 in words is "two hundred thirty-four million, four hundred forty-four thousand, four hundred twenty".