400102214 has 4 divisors (see below), whose sum is σ = 600153324. Its totient is φ = 200051106.

The previous prime is 400102207. The next prime is 400102217. The reversal of 400102214 is 412201004.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400102217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100025552 + ... + 100025555.

It is an arithmetic number, because the mean of its divisors is an integer number (150038331).

Almost surely, 2^400102214 is an apocalyptic number.

400102214 is a deficient number, since it is larger than the sum of its proper divisors (200051110).

400102214 is a wasteful number, since it uses less digits than its factorization.

400102214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200051109.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 400102214 is about 20002.5551867755. Note that the first 3 decimals coincide. The cubic root of 400102214 is about 736.8690543156.

Adding to 400102214 its reverse (412201004), we get a palindrome (812303218).

It can be divided in two parts, 40010 and 2214, that added together give a palindrome (42224).

The spelling of 400102214 in words is "four hundred million, one hundred two thousand, two hundred fourteen".