240343654645 has 16 divisors (see below), whose sum is σ = 303931792512. Its totient is φ = 182094193600.

The previous prime is 240343654633. The next prime is 240343654651. The reversal of 240343654645 is 546456343042.

It is a happy number.

It is not a de Polignac number, because 240343654645 - 2²¹ = 240341557493 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240343654595 and 240343654604.

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, 10334647 + ... + 10357876.

It is an arithmetic number, because the mean of its divisors is an integer number (18995737032).

Almost surely, 2^240343654645 is an apocalyptic number.

It is an amenable number.

240343654645 is a deficient number, since it is larger than the sum of its proper divisors (63588137867).

240343654645 is a wasteful number, since it uses less digits than its factorization.

240343654645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20692652.

The product of its (nonzero) digits is 4147200, while the sum is 46.

Adding to 240343654645 its reverse (546456343042), we get a palindrome (786799997687).

The spelling of 240343654645 in words is "two hundred forty billion, three hundred forty-three million, six hundred fifty-four thousand, six hundred forty-five".