245317457560 has 64 divisors (see below), whose sum is σ = 667923174720. Its totient is φ = 79161262080.

The previous prime is 245317457549. The next prime is 245317457587. The reversal of 245317457560 is 65754713542.

245317457560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25763881 + ... + 25773400.

It is an arithmetic number, because the mean of its divisors is an integer number (10436299605).

Almost surely, 2^245317457560 is an apocalyptic number.

245317457560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245317457560 is an abundant number, since it is smaller than the sum of its proper divisors (422605717160).

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

245317457560 is a wasteful number, since it uses less digits than its factorization.

245317457560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51537316 (or 51537312 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 245317457560 in words is "two hundred forty-five billion, three hundred seventeen million, four hundred fifty-seven thousand, five hundred sixty".