140020434404 has 12 divisors (see below), whose sum is σ = 245116147500. Its totient is φ = 69987249408.

The previous prime is 140020434403. The next prime is 140020434473. The reversal of 140020434404 is 404434020041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 56093185600 + 83927248804 = 236840^2 + 289702^2 .

It is not an unprimeable number, because it can be changed into a prime (140020434403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5728229 + ... + 5752620.

It is an arithmetic number, because the mean of its divisors is an integer number (20426345625).

Almost surely, 2^140020434404 is an apocalyptic number.

It is an amenable number.

140020434404 is a deficient number, since it is larger than the sum of its proper divisors (105095713096).

140020434404 is a wasteful number, since it uses less digits than its factorization.

140020434404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483902 (or 11483900 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 140020434404 its reverse (404434020041), we get a palindrome (544454454445).

The spelling of 140020434404 in words is "one hundred forty billion, twenty million, four hundred thirty-four thousand, four hundred four".