445662606266544 has 80 divisors (see below), whose sum is σ = 1164221887110624. Its totient is φ = 146890090752000.

The previous prime is 445662606266483. The next prime is 445662606266561.

It is a happy number.

445662606266544 is nontrivially palindromic in base 10.

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, 56709559 + ... + 64088214.

Almost surely, 2^{445662606266544} is an apocalyptic number.

It is an amenable number.

445662606266544 is an abundant number, since it is smaller than the sum of its proper divisors (718559280844080).

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

445662606266544 is a wasteful number, since it uses less digits than its factorization.

445662606266544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120798646 (or 120798640 counting only the distinct ones).

The product of its (nonzero) digits is 1194393600, while the sum is 66.

The spelling of 445662606266544 in words is "four hundred forty-five trillion, six hundred sixty-two billion, six hundred six million, two hundred sixty-six thousand, five hundred forty-four".