406208072898 has 12 divisors (see below), whose sum is σ = 880117491318. Its totient is φ = 135402690960.

The previous prime is 406208072839. The next prime is 406208072969. The reversal of 406208072898 is 898270802604.

406208072898 is a `hidden beast` number, since 4 + 0 + 620 + 8 + 0 + 7 + 2 + 8 + 9 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 391922325369 + 14285747529 = 626037^2 + 119523^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11283557563 + ... + 11283557598.

Almost surely, 2^406208072898 is an apocalyptic number.

406208072898 is an abundant number, since it is smaller than the sum of its proper divisors (473909418420).

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

406208072898 is a wasteful number, since it uses less digits than its factorization.

406208072898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22567115169 (or 22567115166 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 406208072898 in words is "four hundred six billion, two hundred eight million, seventy-two thousand, eight hundred ninety-eight".