265852245120 has 1024 divisors, whose sum is σ = 1128179404800. Its totient is φ = 51550617600.

The previous prime is 265852245101. The next prime is 265852245161. The reversal of 265852245120 is 21542258562.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 349345540 + ... + 349346300.

It is an arithmetic number, because the mean of its divisors is an integer number (1101737700).

Almost surely, 2^265852245120 is an apocalyptic number.

265852245120 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 265852245120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564089702400).

265852245120 is an abundant number, since it is smaller than the sum of its proper divisors (862327159680).

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

265852245120 is a wasteful number, since it uses less digits than its factorization.

265852245120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957 (or 945 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 265852245120 in words is "two hundred sixty-five billion, eight hundred fifty-two million, two hundred forty-five thousand, one hundred twenty".