400201198 has 16 divisors (see below), whose sum is σ = 614226240. Its totient is φ = 195491296.

The previous prime is 400201163. The next prime is 400201223. The reversal of 400201198 is 891102004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17436 + ... + 33232.

It is an arithmetic number, because the mean of its divisors is an integer number (38389140).

Almost surely, 2^400201198 is an apocalyptic number.

400201198 is a deficient number, since it is larger than the sum of its proper divisors (214025042).

400201198 is a wasteful number, since it uses less digits than its factorization.

400201198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16091.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 400201198 is about 20005.0293176491. The cubic root of 400201198 is about 736.9298156493.

The spelling of 400201198 in words is "four hundred million, two hundred one thousand, one hundred ninety-eight".