3540864242 has 4 divisors (see below), whose sum is σ = 5311296366. Its totient is φ = 1770432120.

The previous prime is 3540864241. The next prime is 3540864247. The reversal of 3540864242 is 2424680453.

It is a happy number.

3540864242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3205937641 + 334926601 = 56621^2 + 18301^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3540864196 and 3540864205.

It is not an unprimeable number, because it can be changed into a prime (3540864241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 885216059 + ... + 885216062.

Almost surely, 2^3540864242 is an apocalyptic number.

3540864242 is a deficient number, since it is larger than the sum of its proper divisors (1770432124).

3540864242 is a wasteful number, since it uses less digits than its factorization.

3540864242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770432123.

The product of its (nonzero) digits is 184320, while the sum is 38.

The square root of 3540864242 is about 59505.1614736066. The cubic root of 3540864242 is about 1524.1805852491.

The spelling of 3540864242 in words is "three billion, five hundred forty million, eight hundred sixty-four thousand, two hundred forty-two".