245388000000 has 1134 divisors, whose sum is σ = 971646078396. Its totient is φ = 54912000000.

The previous prime is 245387999999. The next prime is 245388000007. The reversal of 245388000000 is 883542.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (245388000007) by changing a digit.

It is a polite number, since it can be written in 125 ways as a sum of consecutive naturals, for example, 18875999994 + ... + 18876000006.

Almost surely, 2^245388000000 is an apocalyptic number.

245388000000 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 245388000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485823039198).

245388000000 is an abundant number, since it is smaller than the sum of its proper divisors (726258078396).

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

245388000000 is an frugal number, since it uses more digits than its factorization.

245388000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97 (or 34 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 245388000000 its reverse (883542), we get a palindrome (245388883542).

The spelling of 245388000000 in words is "two hundred forty-five billion, three hundred eighty-eight million", and thus it is an aban number.