400110212 has 6 divisors (see below), whose sum is σ = 700192878. Its totient is φ = 200055104.

The previous prime is 400110203. The next prime is 400110239. The reversal of 400110212 is 212011004.

It can be written as a sum of positive squares in only one way, i.e., 399360256 + 749956 = 19984^2 + 866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 400110193 and 400110202.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50013773 + ... + 50013780.

It is an arithmetic number, because the mean of its divisors is an integer number (116698813).

Almost surely, 2^400110212 is an apocalyptic number.

It is an amenable number.

400110212 is a deficient number, since it is larger than the sum of its proper divisors (300082666).

400110212 is a wasteful number, since it uses less digits than its factorization.

400110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100027557 (or 100027555 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 400110212 is about 20002.7551102342. The cubic root of 400110212 is about 736.8739642605.

Adding to 400110212 its reverse (212011004), we get a palindrome (612121216).

The spelling of 400110212 in words is "four hundred million, one hundred ten thousand, two hundred twelve".