240004420 has 24 divisors (see below), whose sum is σ = 508906944. Its totient is φ = 95068896.

The previous prime is 240004417. The next prime is 240004441. The reversal of 240004420 is 24400042.

It is a junction number, because it is equal to n+sod(n) for n = 240004394 and 240004403.

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 7 ways as a sum of consecutive naturals, for example, 56194 + ... + 60313.

It is an arithmetic number, because the mean of its divisors is an integer number (21204456).

Almost surely, 2^240004420 is an apocalyptic number.

240004420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240004420 is an abundant number, since it is smaller than the sum of its proper divisors (268902524).

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

240004420 is a wasteful number, since it uses less digits than its factorization.

240004420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116619 (or 116617 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 240004420 is about 15492.0760390595. The cubic root of 240004420 is about 621.4503161584.

Adding to 240004420 its reverse (24400042), we get a palindrome (264404462).

The spelling of 240004420 in words is "two hundred forty million, four thousand, four hundred twenty".