265420798 has 16 divisors (see below), whose sum is σ = 409328640. Its totient is φ = 129001600.

The previous prime is 265420739. The next prime is 265420801. The reversal of 265420798 is 897024562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17283 + ... + 28801.

It is an arithmetic number, because the mean of its divisors is an integer number (25583040).

Almost surely, 2^265420798 is an apocalyptic number.

265420798 is a deficient number, since it is larger than the sum of its proper divisors (143907842).

265420798 is a wasteful number, since it uses less digits than its factorization.

265420798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11843.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 265420798 is about 16291.7401771573. The cubic root of 265420798 is about 642.6556304647.

The spelling of 265420798 in words is "two hundred sixty-five million, four hundred twenty thousand, seven hundred ninety-eight".