240311630646452 has 12 divisors (see below), whose sum is σ = 420545588961120. Its totient is φ = 120155748086136.

The previous prime is 240311630646431. The next prime is 240311630646463. The reversal of 240311630646452 is 254646036113042.

It is a junction number, because it is equal to n+sod(n) for n = 240311630646397 and 240311630646406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8287538 + ... + 23437289.

It is an arithmetic number, because the mean of its divisors is an integer number (35045465746760).

Almost surely, 2^{240311630646452} is an apocalyptic number.

It is an amenable number.

240311630646452 is a deficient number, since it is larger than the sum of its proper divisors (180233958314668).

240311630646452 is a wasteful number, since it uses less digits than its factorization.

240311630646452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33618550 (or 33618548 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 47.

Adding to 240311630646452 its reverse (254646036113042), we get a palindrome (494957666759494).

The spelling of 240311630646452 in words is "two hundred forty trillion, three hundred eleven billion, six hundred thirty million, six hundred forty-six thousand, four hundred fifty-two".