400368483866 has 16 divisors (see below), whose sum is σ = 647185849128. Its totient is φ = 184660665600.

The previous prime is 400368483847. The next prime is 400368483887. The reversal of 400368483866 is 668384863004.

It can be written as a sum of positive squares in 4 ways, for example, as 134194005625 + 266174478241 = 366325^2 + 515921^2 .

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, 5160275 + ... + 5237286.

Almost surely, 2^400368483866 is an apocalyptic number.

400368483866 is a deficient number, since it is larger than the sum of its proper divisors (246817365262).

400368483866 is a wasteful number, since it uses less digits than its factorization.

400368483866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10399057.

The product of its (nonzero) digits is 15925248, while the sum is 56.

The spelling of 400368483866 in words is "four hundred billion, three hundred sixty-eight million, four hundred eighty-three thousand, eight hundred sixty-six".