4240121410145 has 4 divisors (see below), whose sum is σ = 5088145692180. Its totient is φ = 3392097128112.

The previous prime is 4240121410081. The next prime is 4240121410169. The reversal of 4240121410145 is 5410141210424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2823935728849 + 1416185681296 = 1680457^2 + 1190036^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240121410145 - 2⁶ = 4240121410081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424012141010 + ... + 424012141019.

It is an arithmetic number, because the mean of its divisors is an integer number (1272036423045).

Almost surely, 2^{4240121410145} is an apocalyptic number.

It is an amenable number.

4240121410145 is a deficient number, since it is larger than the sum of its proper divisors (848024282035).

4240121410145 is an equidigital number, since it uses as much as digits as its factorization.

4240121410145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848024282034.

The product of its (nonzero) digits is 5120, while the sum is 29.

Adding to 4240121410145 its reverse (5410141210424), we get a palindrome (9650262620569).

The spelling of 4240121410145 in words is "four trillion, two hundred forty billion, one hundred twenty-one million, four hundred ten thousand, one hundred forty-five".