245601042656 has 24 divisors (see below), whose sum is σ = 486228332520. Its totient is φ = 122114482048.

The previous prime is 245601042647. The next prime is 245601042667. The reversal of 245601042656 is 656240106542.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21432911 + ... + 21444366.

It is an arithmetic number, because the mean of its divisors is an integer number (20259513855).

Almost surely, 2^245601042656 is an apocalyptic number.

It is an amenable number.

245601042656 is a deficient number, since it is larger than the sum of its proper divisors (240627289864).

245601042656 is a wasteful number, since it uses less digits than its factorization.

245601042656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42877466 (or 42877458 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 245601042656 in words is "two hundred forty-five billion, six hundred one million, forty-two thousand, six hundred fifty-six".