140443044 has 24 divisors (see below), whose sum is σ = 374515008. Its totient is φ = 40126560.

The previous prime is 140443033. The next prime is 140443049. The reversal of 140443044 is 440344041.

It is not an unprimeable number, because it can be changed into a prime (140443049) 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, 835887 + ... + 836054.

It is an arithmetic number, because the mean of its divisors is an integer number (15604792).

Almost surely, 2^140443044 is an apocalyptic number.

140443044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140443044 is an abundant number, since it is smaller than the sum of its proper divisors (234071964).

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

140443044 is a wasteful number, since it uses less digits than its factorization.

140443044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671955 (or 1671953 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 140443044 is about 11850.8668037406. The cubic root of 140443044 is about 519.7965723018.

Adding to 140443044 its reverse (440344041), we get a palindrome (580787085).

The spelling of 140443044 in words is "one hundred forty million, four hundred forty-three thousand, forty-four".