400010030 has 64 divisors (see below), whose sum is σ = 846720000. Its totient is φ = 135997344.

The previous prime is 400009999. The next prime is 400010057. The reversal of 400010030 is 30010004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 476351 + ... + 477189.

It is an arithmetic number, because the mean of its divisors is an integer number (13230000).

Almost surely, 2^400010030 is an apocalyptic number.

400010030 is an abundant number, since it is smaller than the sum of its proper divisors (446709970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400010030 is a wasteful number, since it uses less digits than its factorization.

400010030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 992 counting only the distinct ones).

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

The square root of 400010030 is about 20000.2507484281. The cubic root of 400010030 is about 736.8124581493.

Adding to 400010030 its reverse (30010004), we get a palindrome (430020034).

The spelling of 400010030 in words is "four hundred million, ten thousand, thirty".