30270040 has 32 divisors (see below), whose sum is σ = 71694000. Its totient is φ = 11470464.

The previous prime is 30270029. The next prime is 30270041. The reversal of 30270040 is 4007203.

It is a junction number, because it is equal to n+sod(n) for n = 30269996 and 30270023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30270041) 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 7 ways as a sum of consecutive naturals, for example, 19155 + ... + 20674.

Almost surely, 2^30270040 is an apocalyptic number.

It is an amenable number.

30270040 is an abundant number, since it is smaller than the sum of its proper divisors (41423960).

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

30270040 is a wasteful number, since it uses less digits than its factorization.

30270040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39859 (or 39855 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 16.

The square root of 30270040 is about 5501.8215165525. The cubic root of 30270040 is about 311.6527750138.

Adding to 30270040 its reverse (4007203), we get a palindrome (34277243).

The spelling of 30270040 in words is "thirty million, two hundred seventy thousand, forty".