2044405732406 has 4 divisors (see below), whose sum is σ = 3066608598612. Its totient is φ = 1022202866202.

The previous prime is 2044405732379. The next prime is 2044405732441. The reversal of 2044405732406 is 6042375044402.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511101433100 + ... + 511101433103.

It is an arithmetic number, because the mean of its divisors is an integer number (766652149653).

Almost surely, 2^{2044405732406} is an apocalyptic number.

2044405732406 is a deficient number, since it is larger than the sum of its proper divisors (1022202866206).

2044405732406 is a wasteful number, since it uses less digits than its factorization.

2044405732406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022202866205.

The product of its (nonzero) digits is 645120, while the sum is 41.

The spelling of 2044405732406 in words is "two trillion, forty-four billion, four hundred five million, seven hundred thirty-two thousand, four hundred six".