245012240000 has 320 divisors, whose sum is σ = 667918072800. Its totient is φ = 88757760000.

The previous prime is 245012239993. The next prime is 245012240003. The reversal of 245012240000 is 42210542.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (245012240003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 447919727 + ... + 447920273.

Almost surely, 2^245012240000 is an apocalyptic number.

245012240000 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 245012240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333959036400).

245012240000 is an abundant number, since it is smaller than the sum of its proper divisors (422905832800).

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

245012240000 is an equidigital number, since it uses as much as digits as its factorization.

245012240000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

Adding to 245012240000 its reverse (42210542), we get a palindrome (245054450542).

The spelling of 245012240000 in words is "two hundred forty-five billion, twelve million, two hundred forty thousand".