400200034 has 8 divisors (see below), whose sum is σ = 646477020. Its totient is φ = 184707696.

The previous prime is 400199993. The next prime is 400200041. The reversal of 400200034 is 430002004.

It can be written as a sum of positive squares in 2 ways, for example, as 400200025 + 9 = 20005^2 + 3^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 400199987 and 400200023.

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, 7696129 + ... + 7696180.

Almost surely, 2^400200034 is an apocalyptic number.

400200034 is a deficient number, since it is larger than the sum of its proper divisors (246276986).

400200034 is a wasteful number, since it uses less digits than its factorization.

400200034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15392324.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 400200034 is about 20005.0002249438. Note that the first 3 decimals coincide. The cubic root of 400200034 is about 736.9291011861.

Adding to 400200034 its reverse (430002004), we get a palindrome (830202038).

The spelling of 400200034 in words is "four hundred million, two hundred thousand, thirty-four".