445020005616546 has 32 divisors (see below), whose sum is σ = 895121988868800. Its totient is φ = 147493208724480.

The previous prime is 445020005616509. The next prime is 445020005616547. The reversal of 445020005616546 is 645616500020544.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 445020005616495 and 445020005616504.

It is not an unprimeable number, because it can be changed into a prime (445020005616547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16621531 + ... + 34151358.

It is an arithmetic number, because the mean of its divisors is an integer number (27972562152150).

Almost surely, 2^{445020005616546} is an apocalyptic number.

445020005616546 is an abundant number, since it is smaller than the sum of its proper divisors (450101983252254).

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

445020005616546 is a wasteful number, since it uses less digits than its factorization.

445020005616546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50781234.

The product of its (nonzero) digits is 3456000, while the sum is 48.

The spelling of 445020005616546 in words is "four hundred forty-five trillion, twenty billion, five million, six hundred sixteen thousand, five hundred forty-six".