3540330321 has 16 divisors (see below), whose sum is σ = 5150815488. Its totient is φ = 2145136400.

The previous prime is 3540330289. The next prime is 3540330323. The reversal of 3540330321 is 1230330453.

It is a happy number.

It is not a de Polignac number, because 3540330321 - 2⁵ = 3540330289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3540330291 and 3540330300.

It is not an unprimeable number, because it can be changed into a prime (3540330323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160270 + ... + 181016.

It is an arithmetic number, because the mean of its divisors is an integer number (321925968).

Almost surely, 2^3540330321 is an apocalyptic number.

It is an amenable number.

3540330321 is a deficient number, since it is larger than the sum of its proper divisors (1610485167).

3540330321 is a wasteful number, since it uses less digits than its factorization.

3540330321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25932.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 3540330321 is about 59500.6749625582. The cubic root of 3540330321 is about 1524.1039718506.

Adding to 3540330321 its reverse (1230330453), we get a palindrome (4770660774).

The spelling of 3540330321 in words is "three billion, five hundred forty million, three hundred thirty thousand, three hundred twenty-one".