445681468735385 has 16 divisors (see below), whose sum is σ = 535232941774272. Its totient is φ = 356268393000000.

The previous prime is 445681468735351. The next prime is 445681468735423. The reversal of 445681468735385 is 583537864186544.

It is not a de Polignac number, because 445681468735385 - 2¹⁴ = 445681468719001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1601723642 + ... + 1602001868.

It is an arithmetic number, because the mean of its divisors is an integer number (33452058860892).

Almost surely, 2^{445681468735385} is an apocalyptic number.

It is an amenable number.

445681468735385 is a deficient number, since it is larger than the sum of its proper divisors (89551473038887).

445681468735385 is a wasteful number, since it uses less digits than its factorization.

445681468735385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525784.

The product of its digits is 9289728000, while the sum is 77.

The spelling of 445681468735385 in words is "four hundred forty-five trillion, six hundred eighty-one billion, four hundred sixty-eight million, seven hundred thirty-five thousand, three hundred eighty-five".