445747446686862 has 128 divisors (see below), whose sum is σ = 1059438634168320. Its totient is φ = 138575938279680.

The previous prime is 445747446686827. The next prime is 445747446686869. The reversal of 445747446686862 is 268686644747544.

445747446686862 is a `hidden beast` number, since 4 + 4 + 5 + 7 + 4 + 74 + 466 + 8 + 6 + 86 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445747446686869) 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 63 ways as a sum of consecutive naturals, for example, 85722283 + ... + 90773369.

It is an arithmetic number, because the mean of its divisors is an integer number (8276864329440).

Almost surely, 2^{445747446686862} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445747446686862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (529719317084160).

445747446686862 is an abundant number, since it is smaller than the sum of its proper divisors (613691187481458).

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

445747446686862 is a wasteful number, since it uses less digits than its factorization.

445747446686862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5052895 (or 5052889 counting only the distinct ones).

The product of its digits is 41617981440, while the sum is 81.

The spelling of 445747446686862 in words is "four hundred forty-five trillion, seven hundred forty-seven billion, four hundred forty-six million, six hundred eighty-six thousand, eight hundred sixty-two".