42030328 has 8 divisors (see below), whose sum is σ = 78806880. Its totient is φ = 21015160.

The previous prime is 42030319. The next prime is 42030343. The reversal of 42030328 is 82303024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42030299 and 42030308.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2626888 + ... + 2626903.

It is an arithmetic number, because the mean of its divisors is an integer number (9850860).

Almost surely, 2^42030328 is an apocalyptic number.

It is an amenable number.

42030328 is a deficient number, since it is larger than the sum of its proper divisors (36776552).

42030328 is a wasteful number, since it uses less digits than its factorization.

42030328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5253797 (or 5253793 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 42030328 is about 6483.0801321594. The cubic root of 42030328 is about 347.6863117677.

The spelling of 42030328 in words is "forty-two million, thirty thousand, three hundred twenty-eight".