3665404552 has 8 divisors (see below), whose sum is σ = 6872633550. Its totient is φ = 1832702272.

The previous prime is 3665404549. The next prime is 3665404571. The reversal of 3665404552 is 2554045663.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3030062116 + 635342436 = 55046^2 + 25206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×3665404552³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229087777 + ... + 229087792.

Almost surely, 2^3665404552 is an apocalyptic number.

It is an amenable number.

3665404552 is a deficient number, since it is larger than the sum of its proper divisors (3207228998).

3665404552 is a wasteful number, since it uses less digits than its factorization.

3665404552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458175575 (or 458175571 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The square root of 3665404552 is about 60542.5846161196. The cubic root of 3665404552 is about 1541.8447214083.

The spelling of 3665404552 in words is "three billion, six hundred sixty-five million, four hundred four thousand, five hundred fifty-two".