29444227461 has 20 divisors (see below), whose sum is σ = 47983186944. Its totient is φ = 17844985800.

The previous prime is 29444227457. The next prime is 29444227471. The reversal of 29444227461 is 16472244492.

It is not a de Polignac number, because 29444227461 - 2² = 29444227457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29444227411) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16522245 + ... + 16524026.

Almost surely, 2^29444227461 is an apocalyptic number.

It is an amenable number.

29444227461 is a deficient number, since it is larger than the sum of its proper divisors (18538959483).

29444227461 is a wasteful number, since it uses less digits than its factorization.

29444227461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33046294 (or 33046285 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The spelling of 29444227461 in words is "twenty-nine billion, four hundred forty-four million, two hundred twenty-seven thousand, four hundred sixty-one".