240321356141242 has 4 divisors (see below), whose sum is σ = 360482034211866. Its totient is φ = 120160678070620.

The previous prime is 240321356141213. The next prime is 240321356141249. The reversal of 240321356141242 is 242141653123042.

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., 237960828108441 + 2360528032801 = 15425979^2 + 1536401^2 .

It is a junction number, because it is equal to n+sod(n) for n = 240321356141195 and 240321356141204.

It is not an unprimeable number, because it can be changed into a prime (240321356141249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60080339035309 + ... + 60080339035312.

Almost surely, 2^{240321356141242} is an apocalyptic number.

240321356141242 is a deficient number, since it is larger than the sum of its proper divisors (120160678070624).

240321356141242 is a wasteful number, since it uses less digits than its factorization.

240321356141242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120160678070623.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 240321356141242 in words is "two hundred forty trillion, three hundred twenty-one billion, three hundred fifty-six million, one hundred forty-one thousand, two hundred forty-two".