245504312544 has 24 divisors (see below), whose sum is σ = 644448820680. Its totient is φ = 81834770816.

The previous prime is 245504312527. The next prime is 245504312561. The reversal of 245504312544 is 445213405542.

245504312544 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245504312527) and next prime (245504312561).

It is a tau number, because it is divible by the number of its divisors (24).

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, 1278668199 + ... + 1278668390.

It is an arithmetic number, because the mean of its divisors is an integer number (26852034195).

Almost surely, 2^245504312544 is an apocalyptic number.

245504312544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

245504312544 is an abundant number, since it is smaller than the sum of its proper divisors (398944508136).

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

245504312544 is a wasteful number, since it uses less digits than its factorization.

245504312544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557336602 (or 2557336594 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

The spelling of 245504312544 in words is "two hundred forty-five billion, five hundred four million, three hundred twelve thousand, five hundred forty-four".