3665243456 has 28 divisors (see below), whose sum is σ = 8312249568. Its totient is φ = 1570818432.

The previous prime is 3665243443. The next prime is 3665243513. The reversal of 3665243456 is 6543425663.

3665243456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4090226 + ... + 4091121.

It is an arithmetic number, because the mean of its divisors is an integer number (296866056).

Almost surely, 2^3665243456 is an apocalyptic number.

It is an amenable number.

3665243456 is an abundant number, since it is smaller than the sum of its proper divisors (4647006112).

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

3665243456 is an equidigital number, since it uses as much as digits as its factorization.

3665243456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8181366 (or 8181356 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 44.

The square root of 3665243456 is about 60541.2541660643. The cubic root of 3665243456 is about 1541.8221328461.

It can be divided in two parts, 36652 and 43456, that added together give a palindrome (80108).

The spelling of 3665243456 in words is "three billion, six hundred sixty-five million, two hundred forty-three thousand, four hundred fifty-six".