445828232545856 has 168 divisors, whose sum is σ = 927107120031480. Its totient is φ = 212668319784960.

The previous prime is 445828232545849. The next prime is 445828232545877. The reversal of 445828232545856 is 658545232828544.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 272051508192256 + 173776724353600 = 16493984^2 + 13182440^2 .

It is a super-2 number, since 2×445828232545856² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 445828232545856.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10043642510 + ... + 10043686898.

Almost surely, 2^{445828232545856} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445828232545856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (463553560015740).

445828232545856 is an abundant number, since it is smaller than the sum of its proper divisors (481278887485624).

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

445828232545856 is a wasteful number, since it uses less digits than its factorization.

445828232545856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46773 (or 46732 counting only the distinct ones).

The product of its digits is 2949120000, while the sum is 71.

The spelling of 445828232545856 in words is "four hundred forty-five trillion, eight hundred twenty-eight billion, two hundred thirty-two million, five hundred forty-five thousand, eight hundred fifty-six".