3540243261 has 8 divisors (see below), whose sum is σ = 4720791520. Its totient is φ = 2359928592.

The previous prime is 3540243253. The next prime is 3540243281. The reversal of 3540243261 is 1623420453.

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

It is not a de Polignac number, because 3540243261 - 2³ = 3540243253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3540243221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19291 + ... + 86328.

It is an arithmetic number, because the mean of its divisors is an integer number (590098940).

Almost surely, 2^3540243261 is an apocalyptic number.

It is an amenable number.

3540243261 is a deficient number, since it is larger than the sum of its proper divisors (1180548259).

3540243261 is a wasteful number, since it uses less digits than its factorization.

3540243261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116795.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 3540243261 is about 59499.9433697209. The cubic root of 3540243261 is about 1524.0914787057.

The spelling of 3540243261 in words is "three billion, five hundred forty million, two hundred forty-three thousand, two hundred sixty-one".