240213404 has 12 divisors (see below), whose sum is σ = 425695200.
Its totient is φ = 118586208.
The previous prime is 240213353. The next prime is 240213427. The reversal of 240213404 is 404312042.
It is a super-2 number, since 2×2402134042 = 115404958922534432, which contains 22 as substring.
It is a congruent number.
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, 379769 + ... + 380400.
It is an arithmetic number, because the mean of its divisors is an integer number (35474600).
Almost surely, 2240213404 is an apocalyptic number.
It is an amenable number.
240213404 is a deficient number, since it is larger than the sum of its proper divisors (185481796).
240213404 is a wasteful number, since it uses less digits than its factorization.
240213404 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 760252 (or 760250 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
The square root of 240213404 is about 15498.8194389121.
The cubic root of 240213404 is about 621.6306399143.
Adding to 240213404 its reverse (404312042), we get a palindrome (644525446).
The spelling of 240213404 in words is "two hundred forty million, two hundred thirteen thousand, four hundred four".