140044344 has 64 divisors (see below), whose sum is σ = 383581440. Its totient is φ = 42255360.

The previous prime is 140044343. The next prime is 140044367. The reversal of 140044344 is 443440041.

It is a super-2 number, since 2×140044344² = 39224836572780672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140044343) 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 15 ways as a sum of consecutive naturals, for example, 68424 + ... + 70440.

It is an arithmetic number, because the mean of its divisors is an integer number (5993460).

Almost surely, 2^140044344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140044344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191790720).

140044344 is an abundant number, since it is smaller than the sum of its proper divisors (243537096).

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

140044344 is a wasteful number, since it uses less digits than its factorization.

140044344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2300 (or 2296 counting only the distinct ones).

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

The square root of 140044344 is about 11834.0332938521. The cubic root of 140044344 is about 519.3042272451.

Adding to 140044344 its reverse (443440041), we get a palindrome (583484385).

The spelling of 140044344 in words is "one hundred forty million, forty-four thousand, three hundred forty-four".