400520314 has 4 divisors (see below), whose sum is σ = 600780474. Its totient is φ = 200260156.

The previous prime is 400520297. The next prime is 400520339. The reversal of 400520314 is 413025004.

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., 389075625 + 11444689 = 19725^2 + 3383^2 .

It is a junction number, because it is equal to n+sod(n) for n = 400520291 and 400520300.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100130077 + ... + 100130080.

Almost surely, 2^400520314 is an apocalyptic number.

400520314 is a deficient number, since it is larger than the sum of its proper divisors (200260160).

400520314 is a wasteful number, since it uses less digits than its factorization.

400520314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200260159.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 400520314 is about 20013.0036226450. The cubic root of 400520314 is about 737.1256368326.

Adding to 400520314 its reverse (413025004), we get a palindrome (813545318).

The spelling of 400520314 in words is "four hundred million, five hundred twenty thousand, three hundred fourteen".