30180432 has 20 divisors (see below), whose sum is σ = 77966240. Its totient is φ = 10060128.

The previous prime is 30180431. The next prime is 30180443. The reversal of 30180432 is 23408103.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30180399 and 30180408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30180431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314332 + ... + 314427.

It is an arithmetic number, because the mean of its divisors is an integer number (3898312).

Almost surely, 2^30180432 is an apocalyptic number.

It is an amenable number.

30180432 is an abundant number, since it is smaller than the sum of its proper divisors (47785808).

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

30180432 is a wasteful number, since it uses less digits than its factorization.

30180432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628770 (or 628764 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 30180432 is about 5493.6719960333. The cubic root of 30180432 is about 311.3449438584.

Adding to 30180432 its reverse (23408103), we get a palindrome (53588535).

The spelling of 30180432 in words is "thirty million, one hundred eighty thousand, four hundred thirty-two".