265741040 has 20 divisors (see below), whose sum is σ = 617848104. Its totient is φ = 106296384.

The previous prime is 265741009. The next prime is 265741051. The reversal of 265741040 is 40147562.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 265740994 and 265741012.

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 3 ways as a sum of consecutive naturals, for example, 1660802 + ... + 1660961.

Almost surely, 2^265741040 is an apocalyptic number.

265741040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265741040 is an abundant number, since it is smaller than the sum of its proper divisors (352107064).

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

265741040 is a wasteful number, since it uses less digits than its factorization.

265741040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3321776 (or 3321770 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 265741040 is about 16301.5655689875. The cubic root of 265741040 is about 642.9139907870.

The spelling of 265741040 in words is "two hundred sixty-five million, seven hundred forty-one thousand, forty".