2040661465 has 8 divisors (see below), whose sum is σ = 2577677760. Its totient is φ = 1546606512.

The previous prime is 2040661429. The next prime is 2040661477. The reversal of 2040661465 is 5641660402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2040661465 - 2¹³ = 2040653273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040661465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10740229 + ... + 10740418.

It is an arithmetic number, because the mean of its divisors is an integer number (322209720).

Almost surely, 2^2040661465 is an apocalyptic number.

It is an amenable number.

2040661465 is a deficient number, since it is larger than the sum of its proper divisors (537016295).

2040661465 is a wasteful number, since it uses less digits than its factorization.

2040661465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21480671.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2040661465 is about 45173.6811096904. The cubic root of 2040661465 is about 1268.4022035518.

The spelling of 2040661465 in words is "two billion, forty million, six hundred sixty-one thousand, four hundred sixty-five".