265492725760 has 64 divisors (see below), whose sum is σ = 637173212400. Its totient is φ = 106197024768.

The previous prime is 265492725721. The next prime is 265492725809. The reversal of 265492725760 is 67527294562.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646380 + ... + 974059.

Almost surely, 2^265492725760 is an apocalyptic number.

265492725760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265492725760 is an abundant number, since it is smaller than the sum of its proper divisors (371680486640).

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

265492725760 is an frugal number, since it uses more digits than its factorization.

265492725760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620474 (or 1620446 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 55.

The spelling of 265492725760 in words is "two hundred sixty-five billion, four hundred ninety-two million, seven hundred twenty-five thousand, seven hundred sixty".