265256466 has 16 divisors (see below), whose sum is σ = 532390944. Its totient is φ = 88105824.

The previous prime is 265256461. The next prime is 265256471. The reversal of 265256466 is 664652562.

It is an interprime number because it is at equal distance from previous prime (265256461) and next prime (265256471).

It is not an unprimeable number, because it can be changed into a prime (265256461) 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, 76411 + ... + 79806.

It is an arithmetic number, because the mean of its divisors is an integer number (33274434).

Almost surely, 2^265256466 is an apocalyptic number.

265256466 is an abundant number, since it is smaller than the sum of its proper divisors (267134478).

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

265256466 is a wasteful number, since it uses less digits than its factorization.

265256466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156505.

The product of its digits is 518400, while the sum is 42.

The square root of 265256466 is about 16286.6959816901. The cubic root of 265256466 is about 642.5229723248.

The spelling of 265256466 in words is "two hundred sixty-five million, two hundred fifty-six thousand, four hundred sixty-six".