245730271557764 has 12 divisors (see below), whose sum is σ = 491460543115584. Its totient is φ = 105312973524744.

The previous prime is 245730271557739. The next prime is 245730271557817. The reversal of 245730271557764 is 467755172037542.

245730271557764 is an admirable number.

It is a hoax number, since the sum of its digits (65) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 245730271557764.

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, 4388040563504 + ... + 4388040563559.

It is an arithmetic number, because the mean of its divisors is an integer number (40955045259632).

Almost surely, 2^{245730271557764} is an apocalyptic number.

It is an amenable number.

245730271557764 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

245730271557764 is a wasteful number, since it uses less digits than its factorization.

245730271557764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8776081127074 (or 8776081127072 counting only the distinct ones).

The product of its (nonzero) digits is 345744000, while the sum is 65.

The spelling of 245730271557764 in words is "two hundred forty-five trillion, seven hundred thirty billion, two hundred seventy-one million, five hundred fifty-seven thousand, seven hundred sixty-four".