440661055144336 has 20 divisors (see below), whose sum is σ = 919456240061212. Its totient is φ = 203382025451136.

The previous prime is 440661055144327. The next prime is 440661055144339. The reversal of 440661055144336 is 633441550166044.

It can be written as a sum of positive squares in 2 ways, for example, as 171910278439936 + 268750776704400 = 13111456^2 + 16393620^2 .

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (440661055144339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1059281382351 + ... + 1059281382766.

Almost surely, 2^{440661055144336} is an apocalyptic number.

It is an amenable number.

440661055144336 is an abundant number, since it is smaller than the sum of its proper divisors (478795184916876).

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

440661055144336 is a wasteful number, since it uses less digits than its factorization.

440661055144336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118562765138 (or 2118562765132 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 52.

The spelling of 440661055144336 in words is "four hundred forty trillion, six hundred sixty-one billion, fifty-five million, one hundred forty-four thousand, three hundred thirty-six".