30328880 has 40 divisors (see below), whose sum is σ = 70775232. Its totient is φ = 12086784.

The previous prime is 30328877. The next prime is 30328913. The reversal of 30328880 is 8882303.

30328880 = T₂₀₉ + T₂₁₀ + ... + T₅₇₅.

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

It is an unprimeable number.

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, 28844 + ... + 29876.

Almost surely, 2^30328880 is an apocalyptic number.

It is an amenable number.

30328880 is an abundant number, since it is smaller than the sum of its proper divisors (40446352).

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

30328880 is a wasteful number, since it uses less digits than its factorization.

30328880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413 (or 1407 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 30328880 is about 5507.1662404543. The cubic root of 30328880 is about 311.8545782964.

The spelling of 30328880 in words is "thirty million, three hundred twenty-eight thousand, eight hundred eighty".