240045710444521 has 16 divisors (see below), whose sum is σ = 253269873388800. Its totient is φ = 227059354843200.

The previous prime is 240045710444473. The next prime is 240045710444537. The reversal of 240045710444521 is 125444017540042.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240045710444521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240045710444581) 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, 60867246 + ... + 64690903.

It is an arithmetic number, because the mean of its divisors is an integer number (15829367086800).

Almost surely, 2^{240045710444521} is an apocalyptic number.

It is an amenable number.

240045710444521 is a deficient number, since it is larger than the sum of its proper divisors (13224162944279).

240045710444521 is a wasteful number, since it uses less digits than its factorization.

240045710444521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125559096.

The product of its (nonzero) digits is 716800, while the sum is 43.

Adding to 240045710444521 its reverse (125444017540042), we get a palindrome (365489727984563).

The spelling of 240045710444521 in words is "two hundred forty trillion, forty-five billion, seven hundred ten million, four hundred forty-four thousand, five hundred twenty-one".