333140240 has 20 divisors (see below), whose sum is σ = 774551244. Its totient is φ = 133256064.

The previous prime is 333140239. The next prime is 333140299. The reversal of 333140240 is 42041333.

It can be written as a sum of positive squares in 2 ways, for example, as 249892864 + 83247376 = 15808^2 + 9124^2 .

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

It is a super-2 number, since 2×333140240² = 221964839014515200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 2082047 + ... + 2082206.

Almost surely, 2^333140240 is an apocalyptic number.

It is an amenable number.

333140240 is an abundant number, since it is smaller than the sum of its proper divisors (441411004).

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

333140240 is a wasteful number, since it uses less digits than its factorization.

333140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164266 (or 4164260 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 333140240 is about 18252.1297387456. The cubic root of 333140240 is about 693.2273650506.

Adding to 333140240 its reverse (42041333), we get a palindrome (375181573).

The spelling of 333140240 in words is "three hundred thirty-three million, one hundred forty thousand, two hundred forty".