445504155204516 has 12 divisors (see below), whose sum is σ = 1039509695477232. Its totient is φ = 148501385068168.

The previous prime is 445504155204487. The next prime is 445504155204553. The reversal of 445504155204516 is 615402551405544.

It is a tau number, because it is divible by the number of its divisors (12).

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, 18562673133510 + ... + 18562673133533.

It is an arithmetic number, because the mean of its divisors is an integer number (86625807956436).

Almost surely, 2^{445504155204516} is an apocalyptic number.

It is an amenable number.

445504155204516 is an abundant number, since it is smaller than the sum of its proper divisors (594005540272716).

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

445504155204516 is a wasteful number, since it uses less digits than its factorization.

445504155204516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37125346267050 (or 37125346267048 counting only the distinct ones).

The product of its (nonzero) digits is 9600000, while the sum is 51.

The spelling of 445504155204516 in words is "four hundred forty-five trillion, five hundred four billion, one hundred fifty-five million, two hundred four thousand, five hundred sixteen".