265909042 has 8 divisors (see below), whose sum is σ = 455844096. Its totient is φ = 113961012.

The previous prime is 265909027. The next prime is 265909093. The reversal of 265909042 is 240909562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 265908992 and 265909010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9496738 + ... + 9496765.

It is an arithmetic number, because the mean of its divisors is an integer number (56980512).

Almost surely, 2^265909042 is an apocalyptic number.

265909042 is a deficient number, since it is larger than the sum of its proper divisors (189935054).

265909042 is a wasteful number, since it uses less digits than its factorization.

265909042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18993512.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 265909042 is about 16306.7176954775. The cubic root of 265909042 is about 643.0494460692.

The spelling of 265909042 in words is "two hundred sixty-five million, nine hundred nine thousand, forty-two".