140420310243044 has 24 divisors (see below), whose sum is σ = 271092869122488. Its totient is φ = 63228657519360.

The previous prime is 140420310243041. The next prime is 140420310243061. The reversal of 140420310243044 is 440342013024041.

It can be written as a sum of positive squares in 4 ways, for example, as 2087192762944 + 138333117480100 = 1444712^2 + 11761510^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140420310243044.

It is not an unprimeable number, because it can be changed into a prime (140420310243041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32931590327 + ... + 32931594590.

It is an arithmetic number, because the mean of its divisors is an integer number (11295536213437).

Almost surely, 2^{140420310243044} is an apocalyptic number.

It is an amenable number.

140420310243044 is a deficient number, since it is larger than the sum of its proper divisors (130672558879444).

140420310243044 is a wasteful number, since it uses less digits than its factorization.

140420310243044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65863184975 (or 65863184973 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 140420310243044 its reverse (440342013024041), we get a palindrome (580762323267085).

The spelling of 140420310243044 in words is "one hundred forty trillion, four hundred twenty billion, three hundred ten million, two hundred forty-three thousand, forty-four".