265442430 has 32 divisors (see below), whose sum is σ = 694977408. Its totient is φ = 64349600.

The previous prime is 265442399. The next prime is 265442453. The reversal of 265442430 is 34244562.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 401856 + ... + 402515.

It is an arithmetic number, because the mean of its divisors is an integer number (21718044).

Almost surely, 2^265442430 is an apocalyptic number.

265442430 is an abundant number, since it is smaller than the sum of its proper divisors (429534978).

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

265442430 is a wasteful number, since it uses less digits than its factorization.

265442430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804392.

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 265442430 is about 16292.4040583334. The cubic root of 265442430 is about 642.6730889671.

Adding to 265442430 its reverse (34244562), we get a palindrome (299686992).

The spelling of 265442430 in words is "two hundred sixty-five million, four hundred forty-two thousand, four hundred thirty".