442427856765 has 16 divisors (see below), whose sum is σ = 749524840128. Its totient is φ = 222081433856.

The previous prime is 442427856763. The next prime is 442427856769. The reversal of 442427856765 is 567658724244.

It is a cyclic number.

It is not a de Polignac number, because 442427856765 - 2¹ = 442427856763 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 442427856699 and 442427856708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442427856763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 867505347 + ... + 867505856.

It is an arithmetic number, because the mean of its divisors is an integer number (46845302508).

Almost surely, 2^442427856765 is an apocalyptic number.

It is an amenable number.

442427856765 is a deficient number, since it is larger than the sum of its proper divisors (307096983363).

442427856765 is a wasteful number, since it uses less digits than its factorization.

442427856765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735011228.

The product of its digits is 90316800, while the sum is 60.

The spelling of 442427856765 in words is "four hundred forty-two billion, four hundred twenty-seven million, eight hundred fifty-six thousand, seven hundred sixty-five".