245488256218 has 16 divisors (see below), whose sum is σ = 374500422720. Its totient is φ = 120655080000.

The previous prime is 245488256213. The next prime is 245488256219. The reversal of 245488256218 is 812652884542.

It is not an unprimeable number, because it can be changed into a prime (245488256213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1774243 + ... + 1907593.

It is an arithmetic number, because the mean of its divisors is an integer number (23406276420).

Almost surely, 2^245488256218 is an apocalyptic number.

245488256218 is a deficient number, since it is larger than the sum of its proper divisors (129012166502).

245488256218 is a wasteful number, since it uses less digits than its factorization.

245488256218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149013.

The product of its digits is 9830400, while the sum is 55.

The spelling of 245488256218 in words is "two hundred forty-five billion, four hundred eighty-eight million, two hundred fifty-six thousand, two hundred eighteen".