265401424 has 30 divisors (see below), whose sum is σ = 542715450. Its totient is φ = 125713728.

The previous prime is 265401421. The next prime is 265401431. The reversal of 265401424 is 424104562.

265401424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 254721600 + 10679824 = 15960^2 + 3268^2 .

It is a super-2 number, since 2×265401424² = 140875831722455552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265401392 and 265401401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265401421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17199 + ... + 28750.

It is an arithmetic number, because the mean of its divisors is an integer number (18090515).

Almost surely, 2^265401424 is an apocalyptic number.

It is an amenable number.

265401424 is an abundant number, since it is smaller than the sum of its proper divisors (277314026).

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

265401424 is a wasteful number, since it uses less digits than its factorization.

265401424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45995 (or 45970 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 265401424 is about 16291.1455705239. The cubic root of 265401424 is about 642.6399935173.

Adding to 265401424 its reverse (424104562), we get a palindrome (689505986).

The spelling of 265401424 in words is "two hundred sixty-five million, four hundred one thousand, four hundred twenty-four".