245285980668 has 72 divisors (see below), whose sum is σ = 624325412256. Its totient is φ = 81195696000.

The previous prime is 245285980631. The next prime is 245285980669. The reversal of 245285980668 is 866089582542.

245285980668 is a `hidden beast` number, since 24 + 528 + 5 + 9 + 80 + 6 + 6 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245285980669) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28985958 + ... + 28994418.

Almost surely, 2^245285980668 is an apocalyptic number.

It is an amenable number.

245285980668 is an abundant number, since it is smaller than the sum of its proper divisors (379039431588).

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

245285980668 is a wasteful number, since it uses less digits than its factorization.

245285980668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13955 (or 13950 counting only the distinct ones).

The product of its (nonzero) digits is 66355200, while the sum is 63.

The spelling of 245285980668 in words is "two hundred forty-five billion, two hundred eighty-five million, nine hundred eighty thousand, six hundred sixty-eight".