245071800464 has 20 divisors (see below), whose sum is σ = 474986526000. Its totient is φ = 122494632480.

The previous prime is 245071800443. The next prime is 245071800499. The reversal of 245071800464 is 464008170542.

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, 2530214 + ... + 2625285.

It is an arithmetic number, because the mean of its divisors is an integer number (23749326300).

Almost surely, 2^245071800464 is an apocalyptic number.

It is an amenable number.

245071800464 is a deficient number, since it is larger than the sum of its proper divisors (229914725536).

245071800464 is a wasteful number, since it uses less digits than its factorization.

245071800464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5158478 (or 5158472 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 245071800464 in words is "two hundred forty-five billion, seventy-one million, eight hundred thousand, four hundred sixty-four".