240030320 has 20 divisors (see below), whose sum is σ = 558070680. Its totient is φ = 96012096.

The previous prime is 240030319. The next prime is 240030331. The reversal of 240030320 is 23030042.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×240030320² = 115229109038604800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240030295 and 240030304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500110 + ... + 1500269.

It is an arithmetic number, because the mean of its divisors is an integer number (27903534).

Almost surely, 2^240030320 is an apocalyptic number.

240030320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240030320 is an abundant number, since it is smaller than the sum of its proper divisors (318040360).

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

240030320 is a wasteful number, since it uses less digits than its factorization.

240030320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3000392 (or 3000386 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 240030320 is about 15492.9119277171. The cubic root of 240030320 is about 621.4726698915.

Adding to 240030320 its reverse (23030042), we get a palindrome (263060362).

The spelling of 240030320 in words is "two hundred forty million, thirty thousand, three hundred twenty".