30040210 has 16 divisors (see below), whose sum is σ = 54167616. Its totient is φ = 11994928.

The previous prime is 30040193. The next prime is 30040211. The reversal of 30040210 is 1204003.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (30040211) 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, 4149 + ... + 8791.

It is an arithmetic number, because the mean of its divisors is an integer number (3385476).

Almost surely, 2^30040210 is an apocalyptic number.

30040210 is a deficient number, since it is larger than the sum of its proper divisors (24127406).

30040210 is a wasteful number, since it uses less digits than its factorization.

30040210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5297.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 30040210 is about 5480.8949999065. The cubic root of 30040210 is about 310.8620128613.

Adding to 30040210 its reverse (1204003), we get a palindrome (31244213).

The spelling of 30040210 in words is "thirty million, forty thousand, two hundred ten".