356540242 has 8 divisors (see below), whose sum is σ = 543577932. Its totient is φ = 175347600.

The previous prime is 356540221. The next prime is 356540279. The reversal of 356540242 is 242045653.

356540242 is digitally balanced in base 3, 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 2 ways, for example, as 350775441 + 5764801 = 18729^2 + 2401^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1461109 + ... + 1461352.

Almost surely, 2^356540242 is an apocalyptic number.

356540242 is a deficient number, since it is larger than the sum of its proper divisors (187037690).

356540242 is a wasteful number, since it uses less digits than its factorization.

356540242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922524.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 356540242 is about 18882.2732211988. The cubic root of 356540242 is about 709.0924342515.

Adding to 356540242 its reverse (242045653), we get a palindrome (598585895).

The spelling of 356540242 in words is "three hundred fifty-six million, five hundred forty thousand, two hundred forty-two".