30080442 has 64 divisors (see below), whose sum is σ = 71424000. Its totient is φ = 8268480.

The previous prime is 30080441. The next prime is 30080459. The reversal of 30080442 is 24408003.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (30080441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151059 + ... + 151257.

It is an arithmetic number, because the mean of its divisors is an integer number (1116000).

Almost surely, 2^30080442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30080442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35712000).

30080442 is an abundant number, since it is smaller than the sum of its proper divisors (41343558).

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

30080442 is a wasteful number, since it uses less digits than its factorization.

30080442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 30080442 is about 5484.5639753767. The cubic root of 30080442 is about 311.0007271758. Note that the first 3 decimals are identical.

Adding to 30080442 its reverse (24408003), we get a palindrome (54488445).

The spelling of 30080442 in words is "thirty million, eighty thousand, four hundred forty-two".