232016440 has 64 divisors (see below), whose sum is σ = 537062400. Its totient is φ = 90165888.

The previous prime is 232016423. The next prime is 232016471. The reversal of 232016440 is 44610232.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313591 + ... + 314329.

It is an arithmetic number, because the mean of its divisors is an integer number (8391600).

Almost surely, 2^232016440 is an apocalyptic number.

232016440 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 232016440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268531200).

232016440 is an abundant number, since it is smaller than the sum of its proper divisors (305045960).

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

232016440 is a wasteful number, since it uses less digits than its factorization.

232016440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 232016440 is about 15232.0858716067. The cubic root of 232016440 is about 614.4778788428.

Adding to 232016440 its reverse (44610232), we get a palindrome (276626672).

The spelling of 232016440 in words is "two hundred thirty-two million, sixteen thousand, four hundred forty".