140030044 has 72 divisors (see below), whose sum is σ = 314399232. Its totient is φ = 53958240.

The previous prime is 140030041. The next prime is 140030063. The reversal of 140030044 is 440030041.

140030044 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 (140030041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230389 + ... + 230995.

It is an arithmetic number, because the mean of its divisors is an integer number (4366656).

Almost surely, 2^140030044 is an apocalyptic number.

140030044 is a gapful number since it is divisible by the number (14) 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 140030044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157199616).

140030044 is an abundant number, since it is smaller than the sum of its proper divisors (174369188).

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

140030044 is a wasteful number, since it uses less digits than its factorization.

140030044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 140030044 is about 11833.4290888145. The cubic root of 140030044 is about 519.2865511696.

Adding to 140030044 its reverse (440030041), we get a palindrome (580060085).

The spelling of 140030044 in words is "one hundred forty million, thirty thousand, forty-four".