265090090 has 32 divisors (see below), whose sum is σ = 506761920. Its totient is φ = 99558144.

The previous prime is 265090081. The next prime is 265090093. The reversal of 265090090 is 90090562.

265090090 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (265090093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15297 + ... + 27643.

It is an arithmetic number, because the mean of its divisors is an integer number (15836310).

Almost surely, 2^265090090 is an apocalyptic number.

265090090 is a deficient number, since it is larger than the sum of its proper divisors (241671830).

265090090 is a wasteful number, since it uses less digits than its factorization.

265090090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12486.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 265090090 is about 16281.5874533167. The cubic root of 265090090 is about 642.3886083239.

The spelling of 265090090 in words is "two hundred sixty-five million, ninety thousand, ninety".