445859268240 has 160 divisors (see below), whose sum is σ = 1431404384256. Its totient is φ = 114685079040.

The previous prime is 445859268227. The next prime is 445859268247. The reversal of 445859268240 is 42862958544.

It is not an unprimeable number, because it can be changed into a prime (445859268247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2186479 + ... + 2381681.

Almost surely, 2^445859268240 is an apocalyptic number.

445859268240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445859268240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715702192128).

445859268240 is an abundant number, since it is smaller than the sum of its proper divisors (985545116016).

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

445859268240 is a wasteful number, since it uses less digits than its factorization.

445859268240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195557 (or 195551 counting only the distinct ones).

The product of its (nonzero) digits is 22118400, while the sum is 57.

The spelling of 445859268240 in words is "four hundred forty-five billion, eight hundred fifty-nine million, two hundred sixty-eight thousand, two hundred forty".