245344456660 has 24 divisors (see below), whose sum is σ = 542340378720. Its totient is φ = 92972636064.

The previous prime is 245344456627. The next prime is 245344456667. The reversal of 245344456660 is 66654443542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245344456667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322821274 + ... + 322822033.

It is an arithmetic number, because the mean of its divisors is an integer number (22597515780).

Almost surely, 2^245344456660 is an apocalyptic number.

245344456660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245344456660 is an abundant number, since it is smaller than the sum of its proper divisors (296995922060).

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

245344456660 is a wasteful number, since it uses less digits than its factorization.

245344456660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645643335 (or 645643333 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 49.

The spelling of 245344456660 in words is "two hundred forty-five billion, three hundred forty-four million, four hundred fifty-six thousand, six hundred sixty".