30196240 has 40 divisors (see below), whose sum is σ = 73263168. Its totient is φ = 11552640.

The previous prime is 30196223. The next prime is 30196247. The reversal of 30196240 is 4269103.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (30196247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6366 + ... + 10045.

Almost surely, 2^30196240 is an apocalyptic number.

It is an amenable number.

30196240 is an abundant number, since it is smaller than the sum of its proper divisors (43066928).

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

30196240 is a wasteful number, since it uses less digits than its factorization.

30196240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16447 (or 16441 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 30196240 is about 5495.1105539379. The cubic root of 30196240 is about 311.3992934428.

The spelling of 30196240 in words is "thirty million, one hundred ninety-six thousand, two hundred forty".