30320044 has 12 divisors (see below), whose sum is σ = 56181384. Its totient is φ = 14268224.

The previous prime is 30320023. The next prime is 30320071. The reversal of 30320044 is 44002303.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222874 + ... + 223009.

It is an arithmetic number, because the mean of its divisors is an integer number (4681782).

Almost surely, 2^30320044 is an apocalyptic number.

30320044 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30320044 is a deficient number, since it is larger than the sum of its proper divisors (25861340).

30320044 is a wasteful number, since it uses less digits than its factorization.

30320044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445904 (or 445902 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 30320044 is about 5506.3639545529. The cubic root of 30320044 is about 311.8242901717.

Adding to 30320044 its reverse (44002303), we get a palindrome (74322347).

The spelling of 30320044 in words is "thirty million, three hundred twenty thousand, forty-four".