2040261265 has 24 divisors (see below), whose sum is σ = 2855924352. Its totient is φ = 1395162720.

The previous prime is 2040261259. The next prime is 2040261269. The reversal of 2040261265 is 5621620402.

It is a de Polignac number, because none of the positive numbers 2^k-2040261265 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2040261269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78570 + ... + 101260.

It is an arithmetic number, because the mean of its divisors is an integer number (118996848).

Almost surely, 2^2040261265 is an apocalyptic number.

It is an amenable number.

2040261265 is a deficient number, since it is larger than the sum of its proper divisors (815663087).

2040261265 is a wasteful number, since it uses less digits than its factorization.

2040261265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23077 (or 23070 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2040261265 is about 45169.2513221107. The cubic root of 2040261265 is about 1268.3192814606.

Adding to 2040261265 its reverse (5621620402), we get a palindrome (7661881667).

The spelling of 2040261265 in words is "two billion, forty million, two hundred sixty-one thousand, two hundred sixty-five".