30140430 has 32 divisors (see below), whose sum is σ = 72520704. Its totient is φ = 8017056.

The previous prime is 30140413. The next prime is 30140431. The reversal of 30140430 is 3404103.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140431) 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 15 ways as a sum of consecutive naturals, for example, 13579 + ... + 15641.

It is an arithmetic number, because the mean of its divisors is an integer number (2266272).

Almost surely, 2^30140430 is an apocalyptic number.

30140430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30140430 is an abundant number, since it is smaller than the sum of its proper divisors (42380274).

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

30140430 is a wasteful number, since it uses less digits than its factorization.

30140430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30140430 is about 5490.0300545625. The cubic root of 30140430 is about 311.2073279026.

Adding to 30140430 its reverse (3404103), we get a palindrome (33544533).

The spelling of 30140430 in words is "thirty million, one hundred forty thousand, four hundred thirty".