40440864801 has 8 divisors (see below), whose sum is σ = 54222389280. Its totient is φ = 26809958432.

The previous prime is 40440864781. The next prime is 40440864803. The reversal of 40440864801 is 10846804404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40440864801 - 2¹⁰ = 40440863777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40440864801.

It is not an unprimeable number, because it can be changed into a prime (40440864803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37653900 + ... + 37654973.

It is an arithmetic number, because the mean of its divisors is an integer number (6777798660).

Almost surely, 2^40440864801 is an apocalyptic number.

It is an amenable number.

40440864801 is a deficient number, since it is larger than the sum of its proper divisors (13781524479).

40440864801 is a wasteful number, since it uses less digits than its factorization.

40440864801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75309055.

The product of its (nonzero) digits is 98304, while the sum is 39.

The spelling of 40440864801 in words is "forty billion, four hundred forty million, eight hundred sixty-four thousand, eight hundred one".