30350240 has 96 divisors (see below), whose sum is σ = 76930560. Its totient is φ = 11289600.

The previous prime is 30350231. The next prime is 30350251. The reversal of 30350240 is 4205303.

It is a super-3 number, since 3×30350240³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 15 ways as a sum of consecutive naturals, for example, 143735 + ... + 143945.

It is an arithmetic number, because the mean of its divisors is an integer number (801360).

Almost surely, 2^30350240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30350240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38465280).

30350240 is an abundant number, since it is smaller than the sum of its proper divisors (46580320).

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

30350240 is a wasteful number, since it uses less digits than its factorization.

30350240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 30350240 is about 5509.1051905005. The cubic root of 30350240 is about 311.9277720160.

Adding to 30350240 its reverse (4205303), we get a palindrome (34555543).

The spelling of 30350240 in words is "thirty million, three hundred fifty thousand, two hundred forty".