265211210264 has 192 divisors, whose sum is σ = 689139904320. Its totient is φ = 93053030400.

The previous prime is 265211210249. The next prime is 265211210311. The reversal of 265211210264 is 462012112562.

It is a super-4 number, since 4×265211210264⁴ (a number of 47 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 265211210264.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3574892 + ... + 3648324.

It is an arithmetic number, because the mean of its divisors is an integer number (3589270335).

Almost surely, 2^265211210264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265211210264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344569952160).

265211210264 is an abundant number, since it is smaller than the sum of its proper divisors (423928694056).

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

265211210264 is a wasteful number, since it uses less digits than its factorization.

265211210264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73522 (or 73507 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 265211210264 in words is "two hundred sixty-five billion, two hundred eleven million, two hundred ten thousand, two hundred sixty-four".