140432444 has 24 divisors (see below), whose sum is σ = 260840160. Its totient is φ = 65926656.

The previous prime is 140432443. The next prime is 140432447. The reversal of 140432444 is 444234041.

It is a happy number.

140432444 is digitally balanced in base 2, 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 (140432441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28817 + ... + 33335.

It is an arithmetic number, because the mean of its divisors is an integer number (10868340).

Almost surely, 2^140432444 is an apocalyptic number.

It is an amenable number.

140432444 is a deficient number, since it is larger than the sum of its proper divisors (120407716).

140432444 is a wasteful number, since it uses less digits than its factorization.

140432444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997 (or 4995 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 140432444 is about 11850.4195706312. The cubic root of 140432444 is about 519.7834946818.

Adding to 140432444 its reverse (444234041), we get a palindrome (584666485).

The spelling of 140432444 in words is "one hundred forty million, four hundred thirty-two thousand, four hundred forty-four".