240212223434 has 8 divisors (see below), whose sum is σ = 362613356868. Its totient is φ = 119341104480.

The previous prime is 240212223421. The next prime is 240212223443. The reversal of 240212223434 is 434322212042.

It can be written as a sum of positive squares in 2 ways, for example, as 238392945025 + 1819278409 = 488255^2 + 42653^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 240212223397 and 240212223406.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382503227 + ... + 382503854.

Almost surely, 2^240212223434 is an apocalyptic number.

240212223434 is a deficient number, since it is larger than the sum of its proper divisors (122401133434).

240212223434 is a wasteful number, since it uses less digits than its factorization.

240212223434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765007240.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 240212223434 its reverse (434322212042), we get a palindrome (674534435476).

The spelling of 240212223434 in words is "two hundred forty billion, two hundred twelve million, two hundred twenty-three thousand, four hundred thirty-four".