140201440 has 48 divisors (see below), whose sum is σ = 333804240. Its totient is φ = 55644160.

The previous prime is 140201429. The next prime is 140201441. The reversal of 140201440 is 44102041.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140201441) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17616 + ... + 24304.

It is an arithmetic number, because the mean of its divisors is an integer number (6954255).

Almost surely, 2^140201440 is an apocalyptic number.

140201440 is a gapful number since it is divisible by the number (10) 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 140201440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166902120).

140201440 is an abundant number, since it is smaller than the sum of its proper divisors (193602800).

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

140201440 is a wasteful number, since it uses less digits than its factorization.

140201440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6835 (or 6827 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 140201440 is about 11840.6689000242. The cubic root of 140201440 is about 519.4983327428.

Adding to 140201440 its reverse (44102041), we get a palindrome (184303481).

The spelling of 140201440 in words is "one hundred forty million, two hundred one thousand, four hundred forty".