400030010 has 8 divisors (see below), whose sum is σ = 720054036. Its totient is φ = 160012000.

The previous prime is 400030003. The next prime is 400030013. The reversal of 400030010 is 10030004.

It can be written as a sum of positive squares in 2 ways, for example, as 394379881 + 5650129 = 19859^2 + 2377^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 400030010.

It is not an unprimeable number, because it can be changed into a prime (400030013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20001491 + ... + 20001510.

Almost surely, 2^400030010 is an apocalyptic number.

400030010 is a deficient number, since it is larger than the sum of its proper divisors (320024026).

400030010 is a wasteful number, since it uses less digits than its factorization.

400030010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40003008.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 400030010 is about 20000.7502359287. The cubic root of 400030010 is about 736.8247255648.

Adding to 400030010 its reverse (10030004), we get a palindrome (410060014).

The spelling of 400030010 in words is "four hundred million, thirty thousand, ten".