440531454566463 has 16 divisors (see below), whose sum is σ = 632559147601920. Its totient is φ = 271095781922784.

The previous prime is 440531454566431. The next prime is 440531454566479. The reversal of 440531454566463 is 364665454135044.

It is not a de Polignac number, because 440531454566463 - 2⁵ = 440531454566431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 440531454566397 and 440531454566406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440531454564463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11736270 + ... + 31918692.

It is an arithmetic number, because the mean of its divisors is an integer number (39534946725120).

Almost surely, 2^{440531454566463} is an apocalyptic number.

440531454566463 is a deficient number, since it is larger than the sum of its proper divisors (192027693035457).

440531454566463 is a wasteful number, since it uses less digits than its factorization.

440531454566463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20742118.

The product of its (nonzero) digits is 248832000, while the sum is 60.

The spelling of 440531454566463 in words is "four hundred forty trillion, five hundred thirty-one billion, four hundred fifty-four million, five hundred sixty-six thousand, four hundred sixty-three".