30380560 has 40 divisors (see below), whose sum is σ = 80726976. Its totient is φ = 10416000.

The previous prime is 30380557. The next prime is 30380569. The reversal of 30380560 is 6508303.

30380560 = T₇ + T₈ + ... + T₅₆₆.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (30380569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26566 + ... + 27685.

Almost surely, 2^30380560 is an apocalyptic number.

It is an amenable number.

30380560 is an abundant number, since it is smaller than the sum of its proper divisors (50346416).

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

30380560 is a wasteful number, since it uses less digits than its factorization.

30380560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54271 (or 54265 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30380560 is about 5511.8563116250. The cubic root of 30380560 is about 312.0316097713.

Adding to 30380560 its reverse (6508303), we get a palindrome (36888863).

The spelling of 30380560 in words is "thirty million, three hundred eighty thousand, five hundred sixty".