308245200000 has 384 divisors, whose sum is σ = 1040429033280. Its totient is φ = 80832000000.

The previous prime is 308245199947. The next prime is 308245200023. The reversal of 308245200000 is 2542803.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 73197895 + ... + 73202105.

Almost surely, 2^308245200000 is an apocalyptic number.

308245200000 is a gapful number since it is divisible by the number (30) 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 308245200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520214516640).

308245200000 is an abundant number, since it is smaller than the sum of its proper divisors (732183833280).

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

308245200000 is an frugal number, since it uses more digits than its factorization.

308245200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314 (or 4282 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 308245200000 its reverse (2542803), we get a palindrome (308247742803).

The spelling of 308245200000 in words is "three hundred eight billion, two hundred forty-five million, two hundred thousand".