6240027840121 has 4 divisors (see below), whose sum is σ = 6240039664500. Its totient is φ = 6240016015744.

The previous prime is 6240027840103. The next prime is 6240027840173. The reversal of 6240027840121 is 1210487200426.

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 5127348853225 + 1112678986896 = 2264365^2 + 1054836^2 .

It is a cyclic number.

It is not a de Polignac number, because 6240027840121 - 2⁷ = 6240027839993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6240027840521) 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, 5081716 + ... + 6189013.

It is an arithmetic number, because the mean of its divisors is an integer number (1560009916125).

Almost surely, 2^{6240027840121} is an apocalyptic number.

It is an amenable number.

6240027840121 is a deficient number, since it is larger than the sum of its proper divisors (11824379).

6240027840121 is a wasteful number, since it uses less digits than its factorization.

6240027840121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11824378.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 6240027840121 in words is "six trillion, two hundred forty billion, twenty-seven million, eight hundred forty thousand, one hundred twenty-one".