240305121513401 has 4 divisors (see below), whose sum is σ = 274634424586752. Its totient is φ = 205975818440052.

The previous prime is 240305121513371. The next prime is 240305121513421. The reversal of 240305121513401 is 104315121503042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240305121513401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (240305121513421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17164651536665 + ... + 17164651536678.

It is an arithmetic number, because the mean of its divisors is an integer number (68658606146688).

Almost surely, 2^{240305121513401} is an apocalyptic number.

It is an amenable number.

240305121513401 is a deficient number, since it is larger than the sum of its proper divisors (34329303073351).

240305121513401 is an equidigital number, since it uses as much as digits as its factorization.

240305121513401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34329303073350.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 240305121513401 in words is "two hundred forty trillion, three hundred five billion, one hundred twenty-one million, five hundred thirteen thousand, four hundred one".