405679336403 has 8 divisors (see below), whose sum is σ = 445743157440. Its totient is φ = 366146162280.

The previous prime is 405679336339. The next prime is 405679336451. The reversal of 405679336403 is 304633976504.

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 405679336403 - 2⁶ = 405679336339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405679336453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132660125 + ... + 132663182.

It is an arithmetic number, because the mean of its divisors is an integer number (55717894680).

Almost surely, 2^405679336403 is an apocalyptic number.

405679336403 is a deficient number, since it is larger than the sum of its proper divisors (40063821037).

405679336403 is a wasteful number, since it uses less digits than its factorization.

405679336403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265323457.

The product of its (nonzero) digits is 4898880, while the sum is 50.

The spelling of 405679336403 in words is "four hundred five billion, six hundred seventy-nine million, three hundred thirty-six thousand, four hundred three".