4240015642643 has 4 divisors (see below), whose sum is σ = 4625471610168. Its totient is φ = 3854559675120.

The previous prime is 4240015642609. The next prime is 4240015642651. The reversal of 4240015642643 is 3462465100424.

4240015642643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4240015642643 - 2¹⁰ = 4240015641619 is a prime.

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 4240015642643.

It is not an unprimeable number, because it can be changed into a prime (4240015642543) 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, 192727983746 + ... + 192727983767.

It is an arithmetic number, because the mean of its divisors is an integer number (1156367902542).

Almost surely, 2^{4240015642643} is an apocalyptic number.

4240015642643 is a deficient number, since it is larger than the sum of its proper divisors (385455967525).

4240015642643 is a wasteful number, since it uses less digits than its factorization.

4240015642643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385455967524.

The product of its (nonzero) digits is 552960, while the sum is 41.

The spelling of 4240015642643 in words is "four trillion, two hundred forty billion, fifteen million, six hundred forty-two thousand, six hundred forty-three".