20140432444404 has 36 divisors (see below), whose sum is σ = 50923488965440. Its totient is φ = 6711769604880.

The previous prime is 20140432444397. The next prime is 20140432444417. The reversal of 20140432444404 is 40444423404102.

It is a happy number.

20140432444404 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 0 + 4 + 3 + 244 + 4 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71018044 + ... + 71301075.

Almost surely, 2^{20140432444404} is an apocalyptic number.

It is an amenable number.

20140432444404 is an abundant number, since it is smaller than the sum of its proper divisors (30783056521036).

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

20140432444404 is a wasteful number, since it uses less digits than its factorization.

20140432444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142323060 (or 142323055 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 20140432444404 its reverse (40444423404102), we get a palindrome (60584855848506).

The spelling of 20140432444404 in words is "twenty trillion, one hundred forty billion, four hundred thirty-two million, four hundred forty-four thousand, four hundred four".