3540221330 has 16 divisors (see below), whose sum is σ = 6389489304. Its totient is φ = 1412290560.

The previous prime is 3540221329. The next prime is 3540221351. The reversal of 3540221330 is 331220453.

3540221330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3380375881 + 159845449 = 58141^2 + 12643^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3540221296 and 3540221305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470831 + ... + 478290.

Almost surely, 2^3540221330 is an apocalyptic number.

3540221330 is a deficient number, since it is larger than the sum of its proper divisors (2849267974).

3540221330 is a wasteful number, since it uses less digits than its factorization.

3540221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949501.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 3540221330 is about 59499.7590751425. The cubic root of 3540221330 is about 1524.0883315661.

Adding to 3540221330 its reverse (331220453), we get a palindrome (3871441783).

The spelling of 3540221330 in words is "three billion, five hundred forty million, two hundred twenty-one thousand, three hundred thirty".