3665448360 has 192 divisors, whose sum is σ = 14206682880. Its totient is φ = 801377280.

The previous prime is 3665448329. The next prime is 3665448377. The reversal of 3665448360 is 638445663.

3665448360 is a `hidden beast` number, since 3 + 66 + 54 + 483 + 60 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 26340 + ... + 89580.

It is an arithmetic number, because the mean of its divisors is an integer number (73993140).

Almost surely, 2^3665448360 is an apocalyptic number.

3665448360 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3665448360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7103341440).

3665448360 is an abundant number, since it is smaller than the sum of its proper divisors (10541234520).

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

3665448360 is a wasteful number, since it uses less digits than its factorization.

3665448360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63288 (or 63281 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The square root of 3665448360 is about 60542.9464099659. The cubic root of 3665448360 is about 1541.8508639649.

The spelling of 3665448360 in words is "three billion, six hundred sixty-five million, four hundred forty-eight thousand, three hundred sixty".