406857220082 has 8 divisors (see below), whose sum is σ = 615989436336. Its totient is φ = 201527407972.

The previous prime is 406857220079. The next prime is 406857220109. The reversal of 406857220082 is 280022758604.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 950600768 + ... + 950601195.

It is an arithmetic number, because the mean of its divisors is an integer number (76998679542).

Almost surely, 2^406857220082 is an apocalyptic number.

406857220082 is a deficient number, since it is larger than the sum of its proper divisors (209132216254).

406857220082 is a wasteful number, since it uses less digits than its factorization.

406857220082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1901202072.

The product of its (nonzero) digits is 430080, while the sum is 44.

Adding to 406857220082 its reverse (280022758604), we get a palindrome (686879978686).

The spelling of 406857220082 in words is "four hundred six billion, eight hundred fifty-seven million, two hundred twenty thousand, eighty-two".