240045752720321 has 16 divisors (see below), whose sum is σ = 254491239233088. Its totient is φ = 225636468825600.

The previous prime is 240045752720297. The next prime is 240045752720329. The reversal of 240045752720321 is 123027257540042.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240045752720321 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240045752720329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101521466 + ... + 103859036.

It is an arithmetic number, because the mean of its divisors is an integer number (15905702452068).

Almost surely, 2^{240045752720321} is an apocalyptic number.

It is an amenable number.

240045752720321 is a deficient number, since it is larger than the sum of its proper divisors (14445486512767).

240045752720321 is a wasteful number, since it uses less digits than its factorization.

240045752720321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345312.

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 240045752720321 in words is "two hundred forty trillion, forty-five billion, seven hundred fifty-two million, seven hundred twenty thousand, three hundred twenty-one".