240004644 has 96 divisors (see below), whose sum is σ = 633446016. Its totient is φ = 70087680.

The previous prime is 240004643. The next prime is 240004651. The reversal of 240004644 is 446400042.

It is not an unprimeable number, because it can be changed into a prime (240004643) 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 31 ways as a sum of consecutive naturals, for example, 766632 + ... + 766944.

It is an arithmetic number, because the mean of its divisors is an integer number (6598396).

Almost surely, 2^240004644 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 240004644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (316723008).

240004644 is an abundant number, since it is smaller than the sum of its proper divisors (393441372).

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

240004644 is a wasteful number, since it uses less digits than its factorization.

240004644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 240004644 is about 15492.0832685601. The cubic root of 240004644 is about 621.4505094949.

Adding to 240004644 its reverse (446400042), we get a palindrome (686404686).

The spelling of 240004644 in words is "two hundred forty million, four thousand, six hundred forty-four".