400330034 has 16 divisors (see below), whose sum is σ = 647182872. Its totient is φ = 184626048.

The previous prime is 400330033. The next prime is 400330037. The reversal of 400330034 is 430033004.

It can be written as a sum of positive squares in 4 ways, for example, as 333172009 + 67158025 = 18253^2 + 8195^2 .

It is a super-2 number, since 2×400330034² = 320528272244882312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 400329994 and 400330021.

It is not an unprimeable number, because it can be changed into a prime (400330033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33662 + ... + 43974.

Almost surely, 2^400330034 is an apocalyptic number.

400330034 is a deficient number, since it is larger than the sum of its proper divisors (246852838).

400330034 is a wasteful number, since it uses less digits than its factorization.

400330034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11821.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 400330034 is about 20008.2491487886. The cubic root of 400330034 is about 737.0088866298.

Adding to 400330034 its reverse (430033004), we get a palindrome (830363038).

The spelling of 400330034 in words is "four hundred million, three hundred thirty thousand, thirty-four".