234211440 has 80 divisors (see below), whose sum is σ = 730631808. Its totient is φ = 62062848.

The previous prime is 234211427. The next prime is 234211441. The reversal of 234211440 is 44112432.

234211440 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234211441) 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, 36127 + ... + 42113.

Almost surely, 2^234211440 is an apocalyptic number.

234211440 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 234211440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (365315904).

234211440 is an abundant number, since it is smaller than the sum of its proper divisors (496420368).

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

234211440 is a wasteful number, since it uses less digits than its factorization.

234211440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6166 (or 6160 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 234211440 is about 15303.9681128784. The cubic root of 234211440 is about 616.4095634660.

Adding to 234211440 its reverse (44112432), we get a palindrome (278323872).

The spelling of 234211440 in words is "two hundred thirty-four million, two hundred eleven thousand, four hundred forty".