405120716539 has 8 divisors (see below), whose sum is σ = 505085568768. Its totient is φ = 315678480360.

The previous prime is 405120716521. The next prime is 405120716573. The reversal of 405120716539 is 935617021504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 405120716539 - 2¹¹ = 405120714491 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 405120716495 and 405120716504.

It is not an unprimeable number, because it can be changed into a prime (405120716599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2630653927 + ... + 2630654080.

It is an arithmetic number, because the mean of its divisors is an integer number (63135696096).

Almost surely, 2^405120716539 is an apocalyptic number.

405120716539 is a deficient number, since it is larger than the sum of its proper divisors (99964852229).

405120716539 is a wasteful number, since it uses less digits than its factorization.

405120716539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5261308025.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 405120716539 in words is "four hundred five billion, one hundred twenty million, seven hundred sixteen thousand, five hundred thirty-nine".