30130040 has 32 divisors (see below), whose sum is σ = 68085360. Its totient is φ = 12000000.

The previous prime is 30130033. The next prime is 30130049. The reversal of 30130040 is 4003103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8540 + ... + 11540.

Almost surely, 2^30130040 is an apocalyptic number.

It is an amenable number.

30130040 is an abundant number, since it is smaller than the sum of its proper divisors (37955320).

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

30130040 is a wasteful number, since it uses less digits than its factorization.

30130040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263 (or 3259 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 30130040 is about 5489.0837122420. The cubic root of 30130040 is about 311.1715640272.

Adding to 30130040 its reverse (4003103), we get a palindrome (34133143).

The spelling of 30130040 in words is "thirty million, one hundred thirty thousand, forty".