240040432 has 20 divisors (see below), whose sum is σ = 467682120. Its totient is φ = 119348288.

The previous prime is 240040403. The next prime is 240040439. The reversal of 240040432 is 234040042.

240040432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240040439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39043 + ... + 44770.

It is an arithmetic number, because the mean of its divisors is an integer number (23384106).

Almost surely, 2^240040432 is an apocalyptic number.

It is an amenable number.

240040432 is a deficient number, since it is larger than the sum of its proper divisors (227641688).

240040432 is a wasteful number, since it uses less digits than its factorization.

240040432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84000 (or 83994 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 240040432 is about 15493.2382670635. The cubic root of 240040432 is about 621.4813969048.

Adding to 240040432 its reverse (234040042), we get a palindrome (474080474).

The spelling of 240040432 in words is "two hundred forty million, forty thousand, four hundred thirty-two".