44471972667 has 16 divisors (see below), whose sum is σ = 61969743360. Its totient is φ = 28315079232.

The previous prime is 44471972663. The next prime is 44471972669. The reversal of 44471972667 is 76627917444.

It is not a de Polignac number, because 44471972667 - 2² = 44471972663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44471972663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 453442 + ... + 542727.

It is an arithmetic number, because the mean of its divisors is an integer number (3873108960).

Almost surely, 2^44471972667 is an apocalyptic number.

44471972667 is a deficient number, since it is larger than the sum of its proper divisors (17497770693).

44471972667 is a wasteful number, since it uses less digits than its factorization.

44471972667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996842.

The product of its digits is 14224896, while the sum is 57.

The spelling of 44471972667 in words is "forty-four billion, four hundred seventy-one million, nine hundred seventy-two thousand, six hundred sixty-seven".