406678389335 has 8 divisors (see below), whose sum is σ = 488219907696. Its totient is φ = 325205484480.

The previous prime is 406678389283. The next prime is 406678389361. The reversal of 406678389335 is 533983876604.

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

It is a de Polignac number, because none of the positive numbers 2^k-406678389335 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17140334 + ... + 17164043.

It is an arithmetic number, because the mean of its divisors is an integer number (61027488462).

Almost surely, 2^406678389335 is an apocalyptic number.

406678389335 is a deficient number, since it is larger than the sum of its proper divisors (81541518361).

406678389335 is a wasteful number, since it uses less digits than its factorization.

406678389335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34306753.

The product of its (nonzero) digits is 78382080, while the sum is 62.

The spelling of 406678389335 in words is "four hundred six billion, six hundred seventy-eight million, three hundred eighty-nine thousand, three hundred thirty-five".