3540403243 has 8 divisors (see below), whose sum is σ = 3813982928. Its totient is φ = 3267000864.

The previous prime is 3540403211. The next prime is 3540403261. The reversal of 3540403243 is 3423040453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3540403243 - 2⁵ = 3540403211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3540403343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296 + ... + 84157.

It is an arithmetic number, because the mean of its divisors is an integer number (476747866).

Almost surely, 2^3540403243 is an apocalyptic number.

3540403243 is a deficient number, since it is larger than the sum of its proper divisors (273579685).

3540403243 is a wasteful number, since it uses less digits than its factorization.

3540403243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88653.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 3540403243 is about 59501.2877423674. The cubic root of 3540403243 is about 1524.1144360293.

Adding to 3540403243 its reverse (3423040453), we get a palindrome (6963443696).

The spelling of 3540403243 in words is "three billion, five hundred forty million, four hundred three thousand, two hundred forty-three".