245443320000 has 210 divisors, whose sum is σ = 879118582628. Its totient is φ = 65451456000.

The previous prime is 245443319983. The next prime is 245443320013. The reversal of 245443320000 is 23344542.

245443320000 is a `hidden beast` number, since 2 + 454 + 4 + 3 + 3 + 200 + 0 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 19107 + ... + 700893.

Almost surely, 2^245443320000 is an apocalyptic number.

245443320000 is a gapful number since it is divisible by the number (20) 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 245443320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439559291314).

245443320000 is an abundant number, since it is smaller than the sum of its proper divisors (633675262628).

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

245443320000 is an equidigital number, since it uses as much as digits as its factorization.

245443320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681825 (or 681797 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 245443320000 its reverse (23344542), we get a palindrome (245466664542).

The spelling of 245443320000 in words is "two hundred forty-five billion, four hundred forty-three million, three hundred twenty thousand".