2040652225665 has 48 divisors (see below), whose sum is σ = 3561230965968. Its totient is φ = 1080945266688.

The previous prime is 2040652225663. The next prime is 2040652225691. The reversal of 2040652225665 is 5665222560402.

2040652225665 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 65 + 2 + 22 + 566 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 727315597584 + 1313336628081 = 852828^2 + 1146009^2 .

It is not a de Polignac number, because 2040652225665 - 2¹ = 2040652225663 is a prime.

It is a super-2 number, since 2×2040652225665² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2040652225665.

It is not an unprimeable number, because it can be changed into a prime (2040652225663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7471797 + ... + 7740093.

It is an arithmetic number, because the mean of its divisors is an integer number (74192311791).

Almost surely, 2^{2040652225665} is an apocalyptic number.

It is an amenable number.

2040652225665 is a deficient number, since it is larger than the sum of its proper divisors (1520578740303).

2040652225665 is a wasteful number, since it uses less digits than its factorization.

2040652225665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269458 (or 269455 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 2040652225665 in words is "two trillion, forty billion, six hundred fifty-two million, two hundred twenty-five thousand, six hundred sixty-five".