3540336665 has 8 divisors (see below), whose sum is σ = 4328562888. Its totient is φ = 2778830080.

The previous prime is 3540336661. The next prime is 3540336743. The reversal of 3540336665 is 5666330453.

It can be written as a sum of positive squares in 4 ways, for example, as 8649481 + 3531687184 = 2941^2 + 59428^2 .

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

It is not a de Polignac number, because 3540336665 - 2² = 3540336661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3540336661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6679616 + ... + 6680145.

It is an arithmetic number, because the mean of its divisors is an integer number (541070361).

Almost surely, 2^3540336665 is an apocalyptic number.

It is an amenable number.

3540336665 is a deficient number, since it is larger than the sum of its proper divisors (788226223).

3540336665 is a wasteful number, since it uses less digits than its factorization.

3540336665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13359819.

The product of its (nonzero) digits is 583200, while the sum is 41.

The square root of 3540336665 is about 59500.7282728539. The cubic root of 3540336665 is about 1524.1048822092.

The spelling of 3540336665 in words is "three billion, five hundred forty million, three hundred thirty-six thousand, six hundred sixty-five".