265613610080 has 576 divisors, whose sum is σ = 808082557632. Its totient is φ = 81749606400.

The previous prime is 265613610047. The next prime is 265613610083. The reversal of 265613610080 is 80016316562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265613610083) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 662377880 + ... + 662378280.

It is an arithmetic number, because the mean of its divisors is an integer number (1402921107).

Almost surely, 2^265613610080 is an apocalyptic number.

265613610080 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 265613610080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404041278816).

265613610080 is an abundant number, since it is smaller than the sum of its proper divisors (542468947552).

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

265613610080 is a wasteful number, since it uses less digits than its factorization.

265613610080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 265613610080 in words is "two hundred sixty-five billion, six hundred thirteen million, six hundred ten thousand, eighty".