20440410412242 has 16 divisors (see below), whose sum is σ = 40885102998432. Its totient is φ = 6812756441760.

The previous prime is 20440410412189. The next prime is 20440410412271. The reversal of 20440410412242 is 24221401404402.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 178361859 + ... + 178476422.

It is an arithmetic number, because the mean of its divisors is an integer number (2555318937402).

Almost surely, 2^{20440410412242} is an apocalyptic number.

20440410412242 is an abundant number, since it is smaller than the sum of its proper divisors (20444692586190).

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

20440410412242 is a wasteful number, since it uses less digits than its factorization.

20440410412242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356847833.

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 20440410412242 its reverse (24221401404402), we get a palindrome (44661811816644).

The spelling of 20440410412242 in words is "twenty trillion, four hundred forty billion, four hundred ten million, four hundred twelve thousand, two hundred forty-two".