400200002 has 16 divisors (see below), whose sum is σ = 632318400. Its totient is φ = 189441360.

The previous prime is 400199993. The next prime is 400200041. The reversal of 400200002 is 200002004.

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, 78899 + ... + 83817.

It is an arithmetic number, because the mean of its divisors is an integer number (39519900).

Almost surely, 2^400200002 is an apocalyptic number.

400200002 is a deficient number, since it is larger than the sum of its proper divisors (232118398).

400200002 is a wasteful number, since it uses less digits than its factorization.

400200002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7081.

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 400200002 is about 20004.9994251437. Note that the first 3 decimals coincide. The cubic root of 400200002 is about 736.9290815445.

Adding to 400200002 its reverse (200002004), we get a palindrome (600202006).

The spelling of 400200002 in words is "four hundred million, two hundred thousand, two".