232440406 has 16 divisors (see below), whose sum is σ = 381957120. Its totient is φ = 105210280.

The previous prime is 232440389. The next prime is 232440419. The reversal of 232440406 is 604044232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16846 + ... + 27361.

It is an arithmetic number, because the mean of its divisors is an integer number (23872320).

Almost surely, 2^232440406 is an apocalyptic number.

232440406 is a deficient number, since it is larger than the sum of its proper divisors (149516714).

232440406 is a wasteful number, since it uses less digits than its factorization.

232440406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44459.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 232440406 is about 15245.9963924960. The cubic root of 232440406 is about 614.8519316571.

Adding to 232440406 its reverse (604044232), we get a palindrome (836484638).

The spelling of 232440406 in words is "two hundred thirty-two million, four hundred forty thousand, four hundred six".