3668405456 has 10 divisors (see below), whose sum is σ = 7107535602. Its totient is φ = 1834202720.

The previous prime is 3668405453. The next prime is 3668405459. The reversal of 3668405456 is 6545048663.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3668405453) and next prime (3668405459).

It can be written as a sum of positive squares in only one way, i.e., 3400755856 + 267649600 = 58316^2 + 16360^2 .

It is a super-2 number, since 2×3668405456² = 26914397179221135872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3668405456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3668405453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114637655 + ... + 114637686.

Almost surely, 2^3668405456 is an apocalyptic number.

It is an amenable number.

3668405456 is a deficient number, since it is larger than the sum of its proper divisors (3439130146).

3668405456 is a wasteful number, since it uses less digits than its factorization.

3668405456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229275349 (or 229275343 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The square root of 3668405456 is about 60567.3629605912. The cubic root of 3668405456 is about 1542.2653812833.

The spelling of 3668405456 in words is "three billion, six hundred sixty-eight million, four hundred five thousand, four hundred fifty-six".