446874686478644 has 12 divisors (see below), whose sum is σ = 782104975388100. Its totient is φ = 223416122082048.

The previous prime is 446874686478641. The next prime is 446874686478709.

446874686478644 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 277435261206544 + 169439425272100 = 16656388^2 + 13016890^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (446874686478641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5305241939 + ... + 5305326170.

It is an arithmetic number, because the mean of its divisors is an integer number (65175414615675).

Almost surely, 2^{446874686478644} is an apocalyptic number.

It is an amenable number.

446874686478644 is a deficient number, since it is larger than the sum of its proper divisors (335230288909456).

446874686478644 is a wasteful number, since it uses less digits than its factorization.

446874686478644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610578642 (or 10610578640 counting only the distinct ones).

The product of its digits is 133177540608, while the sum is 86.

The spelling of 446874686478644 in words is "four hundred forty-six trillion, eight hundred seventy-four billion, six hundred eighty-six million, four hundred seventy-eight thousand, six hundred forty-four".