445745564633744 has 20 divisors (see below), whose sum is σ = 864610097226096. Its totient is φ = 222620378252832.

The previous prime is 445745564633737. The next prime is 445745564633771. The reversal of 445745564633744 is 447336465547544.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15775239434 + ... + 15775267689.

Almost surely, 2^{445745564633744} is an apocalyptic number.

It is an amenable number.

445745564633744 is a deficient number, since it is larger than the sum of its proper divisors (418864532592352).

445745564633744 is a wasteful number, since it uses less digits than its factorization.

445745564633744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31550508014 (or 31550508008 counting only the distinct ones).

The product of its digits is 8128512000, while the sum is 71.

The spelling of 445745564633744 in words is "four hundred forty-five trillion, seven hundred forty-five billion, five hundred sixty-four million, six hundred thirty-three thousand, seven hundred forty-four".