400124314 has 4 divisors (see below), whose sum is σ = 600186474. Its totient is φ = 200062156.

The previous prime is 400124303. The next prime is 400124341. The reversal of 400124314 is 413421004.

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

It can be written as a sum of positive squares in only one way, i.e., 217415025 + 182709289 = 14745^2 + 13517^2 .

It is a junction number, because it is equal to n+sod(n) for n = 400124291 and 400124300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100031077 + ... + 100031080.

Almost surely, 2^400124314 is an apocalyptic number.

400124314 is a deficient number, since it is larger than the sum of its proper divisors (200062160).

400124314 is a wasteful number, since it uses less digits than its factorization.

400124314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200062159.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 400124314 is about 20003.1076085692. The cubic root of 400124314 is about 736.8826212707.

Adding to 400124314 its reverse (413421004), we get a palindrome (813545318).

The spelling of 400124314 in words is "four hundred million, one hundred twenty-four thousand, three hundred fourteen".