440054729856 has 128 divisors (see below), whose sum is σ = 1484311670400. Its totient is φ = 125729915904.

The previous prime is 440054729819. The next prime is 440054729857. The reversal of 440054729856 is 658927450044.

440054729856 is a `hidden beast` number, since 4 + 4 + 0 + 0 + 547 + 2 + 98 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (440054729857) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 9070855 + ... + 9119238.

It is an arithmetic number, because the mean of its divisors is an integer number (11596184925).

Almost surely, 2^440054729856 is an apocalyptic number.

It is an amenable number.

440054729856 is an abundant number, since it is smaller than the sum of its proper divisors (1044256940544).

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

440054729856 is a wasteful number, since it uses less digits than its factorization.

440054729856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18190123 (or 18190105 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 440054729856 in words is "four hundred forty billion, fifty-four million, seven hundred twenty-nine thousand, eight hundred fifty-six".