140420220041344 has 32 divisors (see below), whose sum is σ = 279751320058140. Its totient is φ = 70208124026880.

The previous prime is 140420220041341. The next prime is 140420220041369. The reversal of 140420220041344 is 443140022024041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 118768322055744 + 21651897985600 = 10898088^2 + 4653160^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-3 number, since 3×140420220041344³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (140420220041341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10967577 + ... + 20028184.

Almost surely, 2^{140420220041344} is an apocalyptic number.

It is an amenable number.

140420220041344 is a deficient number, since it is larger than the sum of its proper divisors (139331100016796).

140420220041344 is an equidigital number, since it uses as much as digits as its factorization.

140420220041344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31031168 (or 31031156 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 140420220041344 its reverse (443140022024041), we get a palindrome (583560242065385).

The spelling of 140420220041344 in words is "one hundred forty trillion, four hundred twenty billion, two hundred twenty million, forty-one thousand, three hundred forty-four".