265540424 has 16 divisors (see below), whose sum is σ = 500497920. Its totient is φ = 132074320.

The previous prime is 265540421. The next prime is 265540427. The reversal of 265540424 is 424045562.

It is an interprime number because it is at equal distance from previous prime (265540421) and next prime (265540427).

It is not an unprimeable number, because it can be changed into a prime (265540421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85364 + ... + 88419.

It is an arithmetic number, because the mean of its divisors is an integer number (31281120).

Almost surely, 2^265540424 is an apocalyptic number.

It is an amenable number.

265540424 is a deficient number, since it is larger than the sum of its proper divisors (234957496).

265540424 is a wasteful number, since it uses less digits than its factorization.

265540424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173980 (or 173976 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 265540424 is about 16295.4111331994. The cubic root of 265540424 is about 642.7521649440.

Adding to 265540424 its reverse (424045562), we get a palindrome (689585986).

The spelling of 265540424 in words is "two hundred sixty-five million, five hundred forty thousand, four hundred twenty-four".