240253145233513 has 12 divisors (see below), whose sum is σ = 248298591414544. Its totient is φ = 232342437978000.

The previous prime is 240253145233481. The next prime is 240253145233529. The reversal of 240253145233513 is 315332541352042.

It is not a de Polignac number, because 240253145233513 - 2⁵ = 240253145233481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240253145233513.

It is not an unprimeable number, because it can be changed into a prime (240253145230513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 273420903 + ... + 274298188.

Almost surely, 2^{240253145233513} is an apocalyptic number.

It is an amenable number.

240253145233513 is a deficient number, since it is larger than the sum of its proper divisors (8045446181031).

240253145233513 is an equidigital number, since it uses as much as digits as its factorization.

240253145233513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547719336 (or 547719235 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 240253145233513 its reverse (315332541352042), we get a palindrome (555585686585555).

The spelling of 240253145233513 in words is "two hundred forty trillion, two hundred fifty-three billion, one hundred forty-five million, two hundred thirty-three thousand, five hundred thirteen".