265227746560 has 288 divisors, whose sum is σ = 757974067200. Its totient is φ = 87004938240.

The previous prime is 265227746549. The next prime is 265227746569. The reversal of 265227746560 is 65647722562.

It is a junction number, because it is equal to n+sod(n) for n = 265227746498 and 265227746507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265227746569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24715276 + ... + 24726004.

It is an arithmetic number, because the mean of its divisors is an integer number (2631854400).

Almost surely, 2^265227746560 is an apocalyptic number.

265227746560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265227746560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378987033600).

265227746560 is an abundant number, since it is smaller than the sum of its proper divisors (492746320640).

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

265227746560 is a wasteful number, since it uses less digits than its factorization.

265227746560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10877 (or 10863 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 52.

The spelling of 265227746560 in words is "two hundred sixty-five billion, two hundred twenty-seven million, seven hundred forty-six thousand, five hundred sixty".