3663122540 has 144 divisors (see below), whose sum is σ = 9763612992. Its totient is φ = 1129920000.

The previous prime is 3663122539. The next prime is 3663122543. The reversal of 3663122540 is 452213663.

3663122540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3663122497 and 3663122506.

It is not an unprimeable number, because it can be changed into a prime (3663122543) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1709870 + ... + 1712010.

It is an arithmetic number, because the mean of its divisors is an integer number (67802868).

Almost surely, 2^3663122540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3663122540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4881806496).

3663122540 is an abundant number, since it is smaller than the sum of its proper divisors (6100490452).

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

3663122540 is a wasteful number, since it uses less digits than its factorization.

3663122540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280 (or 2267 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3663122540 is about 60523.7353440780. The cubic root of 3663122540 is about 1541.5246804647.

The spelling of 3663122540 in words is "three billion, six hundred sixty-three million, one hundred twenty-two thousand, five hundred forty".