445746440311420 has 24 divisors (see below), whose sum is σ = 976766112683424. Its totient is φ = 170546464118976.

The previous prime is 445746440311391. The next prime is 445746440311499. The reversal of 445746440311420 is 24113044647544.

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, 484506999879 + ... + 484507000798.

It is an arithmetic number, because the mean of its divisors is an integer number (40698588028476).

Almost surely, 2^{445746440311420} is an apocalyptic number.

It is an amenable number.

445746440311420 is an abundant number, since it is smaller than the sum of its proper divisors (531019672372004).

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

445746440311420 is a wasteful number, since it uses less digits than its factorization.

445746440311420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969014000709 (or 969014000707 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 49.

Adding to 445746440311420 its reverse (24113044647544), we get a palindrome (469859484958964).

The spelling of 445746440311420 in words is "four hundred forty-five trillion, seven hundred forty-six billion, four hundred forty million, three hundred eleven thousand, four hundred twenty".