240305121513345 has 32 divisors (see below), whose sum is σ = 443765723708160. Its totient is φ = 108766108742400.

The previous prime is 240305121513341. The next prime is 240305121513349. The reversal of 240305121513345 is 543315121503042.

It is an interprime number because it is at equal distance from previous prime (240305121513341) and next prime (240305121513349).

It is not a de Polignac number, because 240305121513345 - 2² = 240305121513341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240305121513341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11329792390 + ... + 11329813599.

It is an arithmetic number, because the mean of its divisors is an integer number (13867678865880).

Almost surely, 2^{240305121513345} is an apocalyptic number.

It is an amenable number.

240305121513345 is a deficient number, since it is larger than the sum of its proper divisors (203460602194815).

240305121513345 is a wasteful number, since it uses less digits than its factorization.

240305121513345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22659606105.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 240305121513345 in words is "two hundred forty trillion, three hundred five billion, one hundred twenty-one million, five hundred thirteen thousand, three hundred forty-five".