140044410 has 128 divisors (see below), whose sum is σ = 414616320. Its totient is φ = 33350400.

The previous prime is 140044381. The next prime is 140044423. The reversal of 140044410 is 14440041.

140044410 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×140044410² = 39224873544496200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 180784 + ... + 181556.

It is an arithmetic number, because the mean of its divisors is an integer number (3239190).

Almost surely, 2^140044410 is an apocalyptic number.

140044410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140044410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207308160).

140044410 is an abundant number, since it is smaller than the sum of its proper divisors (274571910).

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

140044410 is a wasteful number, since it uses less digits than its factorization.

140044410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 855 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 140044410 is about 11834.0360824192. The cubic root of 140044410 is about 519.3043088242.

Adding to 140044410 its reverse (14440041), we get a palindrome (154484451).

The spelling of 140044410 in words is "one hundred forty million, forty-four thousand, four hundred ten".