3653565480 has 192 divisors, whose sum is σ = 12854635200. Its totient is φ = 922907520.

The previous prime is 3653565451. The next prime is 3653565491. The reversal of 3653565480 is 845653563.

3653565480 is a `hidden beast` number, since 3 + 6 + 5 + 3 + 565 + 4 + 80 = 666.

3653565480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 385195 + ... + 394565.

It is an arithmetic number, because the mean of its divisors is an integer number (66951225).

Almost surely, 2^3653565480 is an apocalyptic number.

3653565480 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 3653565480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6427317600).

3653565480 is an abundant number, since it is smaller than the sum of its proper divisors (9201069720).

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

3653565480 is a wasteful number, since it uses less digits than its factorization.

3653565480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9429 (or 9400 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 45.

The square root of 3653565480 is about 60444.7307877204. The cubic root of 3653565480 is about 1540.1829040081.

The spelling of 3653565480 in words is "three billion, six hundred fifty-three million, five hundred sixty-five thousand, four hundred eighty".