30006040 has 16 divisors (see below), whose sum is σ = 67513680. Its totient is φ = 12002400.

The previous prime is 30006019. The next prime is 30006049. The reversal of 30006040 is 4060003.

It is a self number, because there is not a number n which added to its sum of digits gives 30006040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30006049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375036 + ... + 375115.

It is an arithmetic number, because the mean of its divisors is an integer number (4219605).

Almost surely, 2^30006040 is an apocalyptic number.

It is an amenable number.

30006040 is an abundant number, since it is smaller than the sum of its proper divisors (37507640).

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

30006040 is a wasteful number, since it uses less digits than its factorization.

30006040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750162 (or 750158 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30006040 is about 5477.7769213432. The cubic root of 30006040 is about 310.7441021787.

Adding to 30006040 its reverse (4060003), we get a palindrome (34066043).

The spelling of 30006040 in words is "thirty million, six thousand, forty", and thus it is an eban number.