240321004 has 72 divisors (see below), whose sum is σ = 534915360. Its totient is φ = 92463360.

The previous prime is 240320963. The next prime is 240321007. The reversal of 240321004 is 400123042.

It is not an unprimeable number, because it can be changed into a prime (240321007) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 301134 + ... + 301930.

It is an arithmetic number, because the mean of its divisors is an integer number (7429380).

Almost surely, 2^240321004 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 240321004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267457680).

240321004 is an abundant number, since it is smaller than the sum of its proper divisors (294594356).

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

240321004 is a wasteful number, since it uses less digits than its factorization.

240321004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 906 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 240321004 is about 15502.2902824067. The cubic root of 240321004 is about 621.7234427737.

Adding to 240321004 its reverse (400123042), we get a palindrome (640444046).

The spelling of 240321004 in words is "two hundred forty million, three hundred twenty-one thousand, four".