265407442 has 16 divisors (see below), whose sum is σ = 418219200. Its totient is φ = 126078832.

The previous prime is 265407437. The next prime is 265407463. The reversal of 265407442 is 244704562.

It is a super-2 number, since 2×265407442² = 140882220537966728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265407398 and 265407407.

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 7 ways as a sum of consecutive naturals, for example, 12508 + ... + 26215.

It is an arithmetic number, because the mean of its divisors is an integer number (26138700).

Almost surely, 2^265407442 is an apocalyptic number.

265407442 is a deficient number, since it is larger than the sum of its proper divisors (152811758).

265407442 is a wasteful number, since it uses less digits than its factorization.

265407442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38897.

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 265407442 is about 16291.3302710368. The cubic root of 265407442 is about 642.6448507862.

The spelling of 265407442 in words is "two hundred sixty-five million, four hundred seven thousand, four hundred forty-two".