265253431456266 has 16 divisors (see below), whose sum is σ = 578734759541088. Its totient is φ = 80379827714000.

The previous prime is 265253431456261. The next prime is 265253431456283. The reversal of 265253431456266 is 662654134352562.

It is not an unprimeable number, because it can be changed into a prime (265253431456261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2009495692785 + ... + 2009495692916.

It is an arithmetic number, because the mean of its divisors is an integer number (36170922471318).

Almost surely, 2^{265253431456266} is an apocalyptic number.

265253431456266 is an abundant number, since it is smaller than the sum of its proper divisors (313481328084822).

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

265253431456266 is a wasteful number, since it uses less digits than its factorization.

265253431456266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4018991385717.

The product of its digits is 186624000, while the sum is 60.

The spelling of 265253431456266 in words is "two hundred sixty-five trillion, two hundred fifty-three billion, four hundred thirty-one million, four hundred fifty-six thousand, two hundred sixty-six".