265420366 has 8 divisors (see below), whose sum is σ = 404073000. Its totient is φ = 130729368.

The previous prime is 265420321. The next prime is 265420369. The reversal of 265420366 is 663024562.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265420369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 990241 + ... + 990508.

It is an arithmetic number, because the mean of its divisors is an integer number (50509125).

Almost surely, 2^265420366 is an apocalyptic number.

265420366 is a deficient number, since it is larger than the sum of its proper divisors (138652634).

265420366 is a wasteful number, since it uses less digits than its factorization.

265420366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980818.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 265420366 is about 16291.7269188997. The cubic root of 265420366 is about 642.6552818015.

The spelling of 265420366 in words is "two hundred sixty-five million, four hundred twenty thousand, three hundred sixty-six".