20444440040046 has 48 divisors (see below), whose sum is σ = 48750861098160. Its totient is φ = 6140459324160.

The previous prime is 20444440040029. The next prime is 20444440040077. The reversal of 20444440040046 is 64004004444402.

20444440040046 is a `hidden beast` number, since 204 + 4 + 4 + 4 + 4 + 0 + 0 + 400 + 46 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 456857041 + ... + 456901788.

It is an arithmetic number, because the mean of its divisors is an integer number (1015642939545).

Almost surely, 2^{20444440040046} is an apocalyptic number.

20444440040046 is an abundant number, since it is smaller than the sum of its proper divisors (28306421058114).

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

20444440040046 is a wasteful number, since it uses less digits than its factorization.

20444440040046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913758961 (or 913758958 counting only the distinct ones).

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

Adding to 20444440040046 its reverse (64004004444402), we get a palindrome (84448444484448).

The spelling of 20444440040046 in words is "twenty trillion, four hundred forty-four billion, four hundred forty million, forty thousand, forty-six".