445740556216 has 32 divisors (see below), whose sum is σ = 836988752880. Its totient is φ = 222543763200.

The previous prime is 445740556207. The next prime is 445740556259. The reversal of 445740556216 is 612655047544.

It is a self number, because there is not a number n which added to its sum of digits gives 445740556216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19851556 + ... + 19873996.

Almost surely, 2^445740556216 is an apocalyptic number.

It is an amenable number.

445740556216 is a deficient number, since it is larger than the sum of its proper divisors (391248196664).

445740556216 is a wasteful number, since it uses less digits than its factorization.

445740556216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25975 (or 25971 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 49.

The spelling of 445740556216 in words is "four hundred forty-five billion, seven hundred forty million, five hundred fifty-six thousand, two hundred sixteen".