400314242 has 8 divisors (see below), whose sum is σ = 615117132. Its totient is φ = 195275200.

The previous prime is 400314227. The next prime is 400314263. The reversal of 400314242 is 242413004.

It can be written as a sum of positive squares in 2 ways, for example, as 300294241 + 100020001 = 17329^2 + 10001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2440859 + ... + 2441022.

Almost surely, 2^400314242 is an apocalyptic number.

400314242 is a deficient number, since it is larger than the sum of its proper divisors (214802890).

400314242 is a wasteful number, since it uses less digits than its factorization.

400314242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4881924.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 400314242 is about 20007.8545076677. The cubic root of 400314242 is about 736.9991954613. Note that the first 3 decimals are identical.

Adding to 400314242 its reverse (242413004), we get a palindrome (642727246).

The spelling of 400314242 in words is "four hundred million, three hundred fourteen thousand, two hundred forty-two".