265706827080 has 128 divisors (see below), whose sum is σ = 820535184000. Its totient is φ = 68801421312.

The previous prime is 265706827033. The next prime is 265706827123. The reversal of 265706827080 is 80728607562.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401571 + ... + 832269.

It is an arithmetic number, because the mean of its divisors is an integer number (6410431125).

Almost surely, 2^265706827080 is an apocalyptic number.

265706827080 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 265706827080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410267592000).

265706827080 is an abundant number, since it is smaller than the sum of its proper divisors (554828356920).

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

265706827080 is a wasteful number, since it uses less digits than its factorization.

265706827080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430863 (or 430859 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 265706827080 in words is "two hundred sixty-five billion, seven hundred six million, eight hundred twenty-seven thousand, eighty".