406842667770 has 256 divisors, whose sum is σ = 1259692093440. Its totient is φ = 81643161600.

The previous prime is 406842667769. The next prime is 406842667799. The reversal of 406842667770 is 77766248604.

It is a self number, because there is not a number n which added to its sum of digits gives 406842667770.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8817360 + ... + 8863380.

It is an arithmetic number, because the mean of its divisors is an integer number (4920672240).

Almost surely, 2^406842667770 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 406842667770, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (629846046720).

406842667770 is an abundant number, since it is smaller than the sum of its proper divisors (852849425670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

406842667770 is a wasteful number, since it uses less digits than its factorization.

406842667770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46181.

The product of its (nonzero) digits is 18966528, while the sum is 57.

The spelling of 406842667770 in words is "four hundred six billion, eight hundred forty-two million, six hundred sixty-seven thousand, seven hundred seventy".