240342133554452 has 48 divisors (see below), whose sum is σ = 424243791240192. Its totient is φ = 119134384494720.

The previous prime is 240342133554443. The next prime is 240342133554637. The reversal of 240342133554452 is 254455331243042.

It is a junction number, because it is equal to n+sod(n) for n = 240342133554397 and 240342133554406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390959423 + ... + 391573689.

It is an arithmetic number, because the mean of its divisors is an integer number (8838412317504).

Almost surely, 2^{240342133554452} is an apocalyptic number.

It is an amenable number.

240342133554452 is a deficient number, since it is larger than the sum of its proper divisors (183901657685740).

240342133554452 is a wasteful number, since it uses less digits than its factorization.

240342133554452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616208 (or 616206 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 47.

Adding to 240342133554452 its reverse (254455331243042), we get a palindrome (494797464797494).

The spelling of 240342133554452 in words is "two hundred forty trillion, three hundred forty-two billion, one hundred thirty-three million, five hundred fifty-four thousand, four hundred fifty-two".