240540151412243 has 4 divisors (see below), whose sum is σ = 243835221979608. Its totient is φ = 237245080844880.

The previous prime is 240540151412237. The next prime is 240540151412251. The reversal of 240540151412243 is 342214151045042.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 240540151412243 - 2¹² = 240540151408147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240540151412197 and 240540151412206.

It is not an unprimeable number, because it can be changed into a prime (240540151412293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647535283573 + ... + 1647535283718.

It is an arithmetic number, because the mean of its divisors is an integer number (60958805494902).

Almost surely, 2^{240540151412243} is an apocalyptic number.

240540151412243 is a deficient number, since it is larger than the sum of its proper divisors (3295070567365).

240540151412243 is an equidigital number, since it uses as much as digits as its factorization.

240540151412243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295070567364.

The product of its (nonzero) digits is 153600, while the sum is 38.

The spelling of 240540151412243 in words is "two hundred forty trillion, five hundred forty billion, one hundred fifty-one million, four hundred twelve thousand, two hundred forty-three".