245064386560 has 384 divisors, whose sum is σ = 700200184320. Its totient is φ = 80569958400.

The previous prime is 245064386557. The next prime is 245064386569. The reversal of 245064386560 is 65683460542.

It is not an unprimeable number, because it can be changed into a prime (245064386569) 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, 179270997 + ... + 179272363.

It is an arithmetic number, because the mean of its divisors is an integer number (1823437980).

Almost surely, 2^245064386560 is an apocalyptic number.

245064386560 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 245064386560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350100092160).

245064386560 is an abundant number, since it is smaller than the sum of its proper divisors (455135797760).

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

245064386560 is a wasteful number, since it uses less digits than its factorization.

245064386560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1483 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 245064386560 in words is "two hundred forty-five billion, sixty-four million, three hundred eighty-six thousand, five hundred sixty".